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Oct 18, 2017  If your antivirus detects JS.Miner (JS.MINER.D, JS:Miner-C) then it indicates that your computer is infected with a CPU Miner trojan (virus). How to remove JS.Miner Virus removal guide Patrik (Myantispyware admin). If you are using an Apple computer running Mac OS, then use the following step by step guidance How to delete browser. Apr 23, 2018  JS Miner.Z JS Miner.Z is another new member of the Trojan virus family, which is infecting thousands of Windows machines everyday. JS Miner.Z secretly enters your PC via ways like porn websites, fake software updates, free download apps, and spam emails. The invading of JS Miner.Z trojan can lead to destructive consequence on your system. It will be activated along with launching of.

If your antivirus detects JS/CoinMiner then it indicates that your PC is infected with a CPU Miner trojan (virus). Once installed, the trojan will inject a small Java Script code into web-pages that you are opening in the Google Chrome, Mozilla Firefox, Internet Explorer or Microsoft Edge. This code is the JS/CoinMiner trojan itself that designed in order to use your precious GPU and CPU resources to generate cryptocurrency without your consent. When the CoinMiner virus is started, it will perform a highly complex computations by using your computer’s resources to mine digital money. It makes your personal computer run very slow!

The JS/CoinMiner may be spread with the help of trojan horses and other forms of malware, but most often, the CoinMiner gets onto PC system by being attached to certain free applications. Many makers of freeware include additional programs in their installation package. Sometimes it is possible to avoid the installation of any trojan: carefully read the Terms of Use and the Software license, choose only Manual, Custom or Advanced installation mode, disable all checkboxes before clicking Install or Next button while installing new free software.

So, if you happen to encounter the JS/CoinMiner, then be quick and take effort to delete CoinMiner malware which uses your CPU’s resources to generate cryptocurrency ASAP. Follow the step-by-step guide below to remove JS/CoinMiner. Let us know how you managed by sending us your comments please.

Remove JS/CoinMiner malware (virus removal tutorial)

As with removing adware, malware or potentially unwanted software, there are few steps you can do. We suggest trying them all. If you do only one part of the guide, then it should be run malware removal tool, because it should get rid of the JS/CoinMiner and block any further infection. But to completely remove JS/CoinMiner Miner you’ll have to at least reset your internet browser settings like new tab page, startpage and default search engine to default state, uninstall all unwanted and suspicious programs, and delete CoinMiner by malicious software removal tools. Certain of the steps will require you to reboot your system or shut down this site. So, read this guidance carefully, then bookmark or print it for later reference.

To remove JS/CoinMiner, follow the steps below:

1. Manual JS/CoinMiner CPU Miner removal
2. JS/CoinMiner automatic removal

Manual JS/CoinMiner CPU Miner removal

These steps to delete JS/CoinMiner without any apps are presented below. Be sure to carry out the step-by-step guide completely to fully remove this JS/CoinMiner Miner which uses your precious GPU and CPU resources to generate digital money without your consent.

Remove potentially unwanted software using Windows Control Panel

Some potentially unwanted programs, browser hijacking applications and Miner can be removed by uninstalling the free programs they came with. If this way does not succeed, then looking them up in the list of installed software in Microsoft Windows Control Panel. Use the “Uninstall” command in order to remove them.

Press Windows button , then click Search . Type “Control panel”and press Enter. If you using Windows XP or Windows 7, then click “Start” and select “Control Panel”. It will display the Windows Control Panel as shown in the figure below.

Further, click “Uninstall a program”
It will show a list of all apps installed on your machine. Scroll through the all list, and remove any suspicious and unknown applications.

Delete JS/CoinMiner from Firefox by resetting browser settings

If the Firefox web browser program is infected with JS/CoinMiner virus, then resetting its settings can help. The Reset feature is available on all modern version of Mozilla Firefox. A reset can fix many issues by restoring Firefox settings like homepage, new tab and search engine by default to its default state. It will save your personal information like saved passwords, bookmarks, and open tabs.

First, open the FF. Next, click the button in the form of three horizontal stripes (). It will open the drop-down menu. Next, click the Help button ().

In the Help menu click the “Troubleshooting Information”. In the upper-right corner of the “Troubleshooting Information” page click on “Refresh Firefox” button as displayed in the figure below.

Confirm your action, click the “Refresh Firefox”.

Remove JS/CoinMiner CPU Miner from Internet Explorer

In order to restore all browser search engine by default, new tab and startpage you need to reset the IE to the state, which was when the Windows was installed on your system.

First, launch the Internet Explorer, click ) button. Next, press “Internet Options” as shown on the image below.

In the “Internet Options” screen select the Advanced tab. Next, press Reset button. The Internet Explorer will display the Reset Internet Explorer settings dialog box. Select the “Delete personal settings” check box and click Reset button.

You will now need to restart your PC for the changes to take effect. It will delete JS/CoinMiner GPU Miner which can mine digital money using GPU, disable malicious and ad-supported web-browser’s extensions and restore the Microsoft Internet Explorer’s settings such as newtab page, search provider by default and startpage to default state.

Remove JS/CoinMiner from Google Chrome

Run the Reset internet browser utility of the Chrome to reset all its settings such as search engine by default, newtab page and home page to original defaults. This is a very useful utility.

First start the Chrome. Next, click the button in the form of three horizontal dots ().

It will show the Chrome menu. Select More Tools, then press Extensions. Carefully browse through the list of installed plugins. If the list has the extension signed with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following steps: Remove Google Chrome extensions installed by enterprise policy.

Open the Google Chrome menu once again. Further, click the option called “Settings”.

The web-browser will open the settings screen. Another solution to display the Google Chrome’s settings – type chrome://settings in the web-browser adress bar and press Enter

Scroll down to the bottom of the page and press the “Advanced” link. Now scroll down until the “Reset” section is visible, as shown below and click the “Reset settings to their original defaults” button.

The Chrome will open the confirmation dialog box as shown on the screen below.

You need to confirm your action, click the “Reset” button. The web-browser will launch the process of cleaning. When it’s finished, the browser’s settings including search provider, newtab and homepage back to the values which have been when the Google Chrome was first installed on your system.

Delete unwanted Scheduled Tasks

Once installed, the JS/CoinMiner can add a task in to the Windows Task Scheduler Library. Due to this, every time when you launch your PC, it will start a process of cryptocurrency mining. So, you need to check the Task Scheduler Library and remove all harmful tasks which have been created by malware.

Press Windows and R keys on your keyboard at the same time. It will display a dialog box which called Run. In the text field, type “taskschd.msc” (without the quotes) and click OK. Task Scheduler window opens. In the left-hand side, click “Task Scheduler Library”, as displayed on the image below.

In the middle part you will see a list of installed tasks. Select the first task, its properties will be open just below automatically. Next, click the Actions tab. Necessary to look at the text which is written under Details. If you are not sure that executes the task, then google it. If it’s a component of the adware, then this task also should be removed.

Further click on it with the right mouse button and select Delete as on the image below.

Task scheduler, delete a task

Repeat this step, if you have found a few tasks that have been created by the JS/CoinMiner virus. Once is done, close the Task Scheduler window.

JS/CoinMiner automatic removal

Manual removal steps does not always help to completely delete the CoinMiner malware, as it’s not easy to identify and remove components of the trojan and all malicious files from hard disk. Therefore, it is recommended that you run malware removal tool to completely remove JS/CoinMiner off your system. Several free malware removal utilities are currently available that can be used against the trojan. The optimum way would be to run Zemana Anti-Malware (ZAM), MalwareBytes and HitmanPro.

How to remove CoinMiner with Zemana Anti-malware

Zemana Anti-malware is a tool which can get rid of ad-supported software, PUPs, hijacker infections and other malicious software from your computer easily and for free. Zemana Anti-malware is compatible with most antivirus software. It works under Windows (10 – XP, 32 and 64 bit) and uses minimum of system resources.

Visit the page linked below to download the latest version of Zemana for MS Windows. Save it directly to your Windows Desktop.

After the download is done, start it and follow the prompts. Once installed, the Zemana Anti Malware (ZAM) will try to update itself and when this procedure is finished, click the “Scan” button to perform a system scan with this tool for the CoinMiner that can use your PC system to mine cryptocurrency.

This process can take some time, so please be patient. During the scan Zemana Anti-Malware (ZAM) will scan for threats exist on your system. Review the results once the tool has finished the system scan. If you think an entry should not be quarantined, then uncheck it. Otherwise, simply click “Next” button.

The Zemana Anti Malware (ZAM) will remove JS/CoinMiner trojan that may use your machine’s resources to generate digital currency blocks and add items to the Quarantine.

Delete JS/CoinMiner with Hitman Pro

Hitman Pro will help delete JS/CoinMiner which uses your GPU to mine digital currency that slow down your machine. The hijacker infections, ‘ad supported’ software and other potentially unwanted apps slow your browser down and try to force you into clicking on suspicious advertisements and links. Hitman Pro removes the trojan and lets you enjoy your computer without JS/CoinMiner.

1. Download Hitman Pro on your MS Windows Desktop by clicking on the link below.
   
   HitmanPro
   3810 downloads
   Author: Sophos
   Category: Security tools
   Update: June 28, 2018
   
2. Once the download is done, start the Hitman Pro, double-click the HitmanPro.exe file.
3. If the “User Account Control” prompts, click Yes to continue.
4. In the Hitman Pro window, click the “Next” to search for JS/CoinMiner that uses your GPU to mine digital currency. When a malware, ad supported software or potentially unwanted programs are found, the number of the security threats will change accordingly.
5. Once the system scan is done, you can check all threats found on your PC system. All found threats will be marked. You can remove them all by simply press “Next”. Now, click the “Activate free license” button to begin the free 30 days trial to remove all malicious software found.

Remove JS/CoinMiner virus with Malwarebytes

We suggest using the Malwarebytes Free. You can download and install Malwarebytes to find out adware and thereby get rid of JS/CoinMiner virus from your personal computer. When installed and updated, the free malware remover will automatically check and detect all threats exist on the system.

Download MalwareBytes Anti-Malware on your Microsoft Windows Desktop by clicking on the link below.

After the download is complete, close all windows on your PC system. Further, launch the file named mb3-setup. If the “User Account Control” dialog box pops up as on the image below, press the “Yes” button.

It will open the “Setup wizard” which will help you install MalwareBytes Anti Malware (MBAM) on the personal computer. Follow the prompts and do not make any changes to default settings.

Once install is complete successfully, click Finish button. Then MalwareBytes will automatically run and you can see its main window as displayed on the image below.

Next, click the “Scan Now” button to perform a system scan with this tool for the JS/CoinMiner virus that makes your system run very slow. Depending on your PC, the scan may take anywhere from a few minutes to close to an hour. While the MalwareBytes AntiMalware (MBAM) tool is scanning, you can see how many objects it has identified as being affected by malicious software.

After the scan get finished, the results are displayed in the scan report. Once you’ve selected what you want to remove from your PC system click “Quarantine Selected” button.

The MalwareBytes will start to remove JS/CoinMiner virus which uses your GPU to mine digital currency. After the process is finished, you may be prompted to restart your personal computer. We recommend you look at the following video, which completely explains the process of using the MalwareBytes Anti Malware (MBAM) to remove browser hijackers, adware and other malicious software.

Use AdBlocker to stay safe online

It’s important to use adblocker apps such as AdGuard to protect your computer from harmful pages. Most security experts says that it is okay to block advertisements. You should do so just to stay safe! And, of course, the AdGuard can to stop malicious, misleading and other annoying web sites.

Download AdGuard by clicking on the link below. Save it on your Desktop.

Once downloading is finished, double-click the downloaded file to start it. The “Setup Wizard” window will show up on the computer screen as shown on the image below.

Follow the prompts. AdGuard will then be installed and an icon will be placed on your desktop. A window will show up asking you to confirm that you want to see a quick guide like below.

Click “Skip” button to close the window and use the default settings, or press “Get Started” to see an quick tutorial that will help you get to know AdGuard better.

Each time, when you start your system, AdGuard will start automatically and block pop-up advertisements, JS/CoinMiner connection, as well as other harmful or misleading web pages. For an overview of all the features of the application, or to change its settings you can simply double-click on the AdGuard icon, which is located on your desktop.

Finish words

After completing the step by step guide outlined above, your system should be clean from the JS/CoinMiner and other malware. Unfortunately, if the few simple steps does not help you, then you have caught a new trojan, and then the best way – ask for help.

Please start a new thread by using the “New Topic” button in the Spyware Removal forum. When posting your HJT log, try to give us some details about your problems, so we can try to help you more accurately. Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the intrusive JS/CoinMiner malware.

If your antivirus detects JS.Miner (JS.MINER.D, JS:Miner-C) then it indicates that your computer is infected with a CPU Miner trojan (virus). Once installed, the trojan will inject a small Java Script code into web-pages that you are opening in the Internet browser. This code is the JS.Miner itself that created in order to use your precious GPU and CPU resources to generate digital money without your consent. When the JS.Miner is started, it will perform a highly complex computations by using your computer’s resources to mine crypto currencies. It will cause your computer run very slow, web sites are slow to load and the browser freeze.

JS.Miner uses your system’s resources to mine digital money

The JS.Miner trojan usually come in the composition with another program in the same installer. The risk of this is especially high for the various free. software downloaded from the Net. The developers of the JS.Miner are hoping that users will use the quick installation mode, that is simply to click the Next button, without paying attention to the information on the screen and do not carefully considering every step of the installation procedure.

Thus, the JS.Miner virus can infiltrate your system without your knowledge. Therefore, it is very important to read all the information that tells the program during install, including the ‘Terms of Use’ and ‘Software license’. Use only the Manual, Custom or Advanced installation type. This method will help you to disable all optional and unwanted programs and components.

To find out how to delete JS.Miner virus, we recommend to read the few simple steps added to this post below. The instructions was made by experienced security experts who discovered a solution to remove the JS.Miner trojan out of the PC.

Remove JS.Miner (removal steps)

Fortunately, we have an effective solution which will help you manually or/and automatically remove JS.Miner from your web-browser and bring your system settings back to normal. Below you will find a removal guidance with all the steps you may need to successfully remove GPU Miner and its traces. Certain of the steps below will require you to shut down this page. So, please read the steps carefully, after that bookmark or print it for later reference.

If you are using an Apple computer running Mac OS, then use the following step by step guidance How to delete browser hijacker, pop-ups, ads from Mac

To remove JS.Miner, perform the steps below:

1. Delete JS.Miner CPU Miner without any tools
2. JS.Miner automatic removal

Delete JS.Miner CPU Miner without any tools

The few simple steps will help you remove JS.Miner CPU Miner. These JS.Miner removal steps work for the Internet Explorer, MS Edge, Google Chrome and Firefox, as well as every version of Windows operating system.

Uninstall potentially unwanted programs using Microsoft Windows Control Panel

The best way to start the machine cleanup is to remove unknown and dubious programs. Using the Microsoft Windows Control Panel you can do this quickly and easily. This step, in spite of its simplicity, should not be ignored, because the removing of unneeded programs can clean up the FF, Internet Explorer, Google Chrome and MS Edge from pop up ads, hijackers and so on.

Make sure you have closed all web browsers and other software. Press CTRL, ALT, DEL keys together to open the Microsoft Windows Task Manager.

Click on the “Processes” tab, look for something suspicious that is the JS.Miner virus which makes your PC system run very slow then right-click it and select “End Task” or “End Process” option. Most commonly, malicious software masks itself to avoid detection by imitating legitimate MS Windows processes. A process is particularly suspicious: it is taking up a lot of memory (despite the fact that you closed all of your programs), its name is not familiar to you (if you are in doubt, you can always check the application by doing a search for its name in Google, Yahoo or Bing).

Next, remove any undesired and suspicious apps from your Control panel.

Windows 10, 8.1, 8

Now, click the Windows button, type “Control panel” in search and press Enter. Select “Programs and Features”, then “Uninstall a program”.

Look around the entire list of software installed on your system. Most probably, one of them is the JS.Miner trojan which uses your GPU to mine cryptocurrency. Select the dubious program or the program that name is not familiar to you and remove it.

Windows Vista, 7

From the “Start” menu in Microsoft Windows, select “Control Panel”. Under the “Programs” icon, select “Uninstall a program”.

Select the questionable or any unknown programs, then click “Uninstall/Change” button to delete this undesired application from your system.

Windows XP

Click the “Start” button, select “Control Panel” option. Click on “Add/Remove Programs”.

Select an unwanted program, then click “Change/Remove” button. Follow the prompts.

Remove JS.Miner GPU Miner from Microsoft Internet Explorer

The Internet Explorer reset is great if your web browser is hijacked or you have unwanted addo-ons or toolbars on your web browser, which installed by an malicious software.

First, run the Internet Explorer, then press ‘gear’ icon . It will show the Tools drop-down menu on the right part of the web-browser, then press the “Internet Options” as shown in the following example.

In the “Internet Options” screen, select the “Advanced” tab, then click the “Reset” button. The Microsoft Internet Explorer will display the “Reset Internet Explorer settings” dialog box. Further, click the “Delete personal settings” check box to select it. Next, click the “Reset” button as displayed below.

After the procedure is complete, press “Close” button. Close the Internet Explorer and restart your computer for the changes to take effect. This step will help you to restore your web-browser’s startpage, newtab page and default search provider to default state.

Remove JS.Miner from Firefox

If the Firefox settings have been changed by the JS.Miner trojan, then resetting it to the default state can help.

First, start the Mozilla Firefox and click button. It will open the drop-down menu on the right-part of the internet browser. Further, press the Help button () as shown on the screen below

.

Js Coin Miner

In the Help menu, select the “Troubleshooting Information” option. Another way to open the “Troubleshooting Information” screen – type “about:support” in the internet browser adress bar and press Enter. It will open the “Troubleshooting Information” page like below. In the upper-right corner of this screen, click the “Refresh Firefox” button.

It will display the confirmation prompt. Further, click the “Refresh Firefox” button. The Firefox will begin a task to fix your problems that caused by the JS.Miner GPU Miner which uses your CPU’s resources to generate cryptocurrency. Once, it’s done, click the “Finish” button.

Remove JS.Miner from Google Chrome

Reset Chrome settings is a easy way to recover the browser settings that have been changed by JS.Miner GPU Miner which uses your precious GPU and CPU resources to generate digital money without your consent.

1. First, start the Chrome and click the Menu icon (icon in the form of three dots).
2. It will show the Chrome main menu. Select More Tools, then press Extensions.
3. You’ll see the list of installed extensions. If the list has the extension labeled with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following tutorial: Remove Chrome extensions installed by enterprise policy.
4. Now open the Chrome menu once again, click the “Settings” menu.
5. Next, click “Advanced” link, that located at the bottom of the Settings page.
6. On the bottom of the “Advanced settings” page, press the “Reset settings to their original defaults” button.
7. The Google Chrome will display the reset settings prompt as shown on the screen above.
8. Confirm the internet browser’s reset by clicking on the “Reset” button.
9. To learn more, read the post How to reset Chrome settings to default.

JS.Miner automatic removal

There are not many good free anti malware programs with high detection ratio. The effectiveness of malware removal tools depends on various factors, mostly on how often their virus/malware signatures DB are updated in order to effectively detect modern malicious software, adware, browser hijacker infections and other potentially unwanted software. We recommend to use several applications, not just one. These applications which listed below will help you get rid of all components of the CPU Miner from your disk and Windows registry and thereby remove JS.Miner virus.

Run Zemana Anti-malware to remove JS.Miner virus

We recommend you to run the Zemana Anti-malware that are completely clean your computer of JS.Miner virus that generates crypto currency by leveraging the GPU of affected machine. Moreover, the tool will help you to get rid of potentially unwanted programs, malware, toolbars and browser hijackers that your system can be infected too.

Visit the following page to download the latest version of Zemana AntiMalware (ZAM) for Windows. Save it on your Microsoft Windows desktop or in any other place.

Js Miner Av

After the downloading process is complete, close all apps and windows on your system. Double-click the setup file called Zemana.AntiMalware.Setup. If the “User Account Control” dialog box pops up as shown on the image below, click the “Yes” button.

It will open the “Setup wizard” that will help you install Zemana on your computer. Follow the prompts and don’t make any changes to default settings.

Once install is done successfully, Zemana will automatically start and you can see its main screen as displayed in the figure below.

Js Miner Trojan

Now press the “Scan” button to perform a system scan with this tool for the JS.Miner virus which can use your machine to mine digital currency. A scan can take anywhere from 10 to 30 minutes, depending on the number of files on your computer and the speed of your computer. When a malicious software, ad-supported software or potentially unwanted applications are found, the number of the security threats will change accordingly. Wait until the the scanning is done.

As the scanning ends, Zemana Free will prepare a list of unwanted and ad-supported software programs. When you’re ready, click “Next” button. The Zemana Free will remove JS.Miner virus that can use your personal computer to mine cryptocurrency and add items to the Quarantine. After the procedure is finished, you may be prompted to reboot the PC system.

Remove JS.Miner with Malwarebytes

Js Miner Malware

Delete JS.Miner CPU Miner manually is difficult and often the Miner is not completely removed. Therefore, we recommend you to run the Malwarebytes Free which are completely clean your machine. Moreover, the free program will allow you to delete malware, PUPs, toolbars and browser hijackers that your PC may be infected too.

Click the following link to download MalwareBytes Anti-Malware (MBAM). Save it on your Microsoft Windows desktop.

When downloading is done, run it and follow the prompts. Once installed, the MalwareBytes will try to update itself and when this procedure is complete, click the “Scan Now” button to perform a system scan with this utility for the JS.Miner GPU Miner that can use your computer to mine cryptocurrency. While the utility is checking, you can see how many objects and files has already scanned. You may move threats to Quarantine (all selected by default) by simply click “Quarantine Selected” button.

The MalwareBytes Anti-Malware is a free program that you can use to remove all detected folders, files, services, registry entries and so on. To learn more about this malicious software removal utility, we suggest you to read and follow the instructions or the video guide below.

If the problem with JS.Miner is still remained

AdwCleaner is a free removal utility. It deletes PUPs, adware, browser hijacker infections and unwanted internet browser plugins. Video guide available here. It’ll detect and delete JS.Miner trojan which uses your precious GPU and CPU resources to generate digital money without your consent. AdwCleaner uses very small computer resources and is a portable program.

1. Click the following link to download the latest version of AdwCleaner for Windows. Save it on your Microsoft Windows desktop.
   
   AdwCleaner download
   171572 downloads
   Version: 7.4
   Author: Xplode, MalwareBytes
   Category: Security tools
   Update: July 23, 2019
   
2. After the download is complete, double click the AdwCleaner icon. Once this tool is opened, press “Scan” button .AdwCleaner program will scan through the whole system for the JS.Miner trojan which uses your precious GPU and CPU resources to generate cryptocurrency without your consent. Depending on your personal computer, the scan can take anywhere from a few minutes to close to an hour. While the utility is scanning, you can see how many objects and files has already scanned.
3. When the scan is done, AdwCleaner will show a list of detected items. Make sure all items have ‘checkmark’ and click “Clean” button. It will display a prompt, press “OK”.

These few simple steps are shown in detail in the following video guide.

Run AdBlocker to stay safe online

By installing an ad blocking program like AdGuard, you are able to block JS.Miner, autoplaying video ads and delete lots of distracting and unwanted ads on pages.

1. Download AdGuard application by clicking on the following link.
   Adguard download
   18989 downloads
   Version: 6.4
   Author: © Adguard
   Category: Security tools
   Update: November 15, 2018
   
2. Once the download is complete, launch the downloaded file. You will see the “Setup Wizard” program window. Follow the prompts.
3. Once the setup is finished, click “Skip” to close the setup program and use the default settings, or click “Get Started” to see an quick tutorial that will allow you get to know AdGuard better.
4. In most cases, the default settings are enough and you do not need to change anything. Each time, when you run your PC, AdGuard will run automatically and block pop up ads, as well as other harmful or misleading web pages. For an overview of all the features of the program, or to change its settings you can simply double-click on the icon named AdGuard, that can be found on your desktop.

Js Miner C Trj

To sum up

Now your machine should be free of the JS.Miner virus that uses your precious GPU and CPU resources to generate cryptocurrency without your consent. Uninstall AdwCleaner. We suggest that you keep AdGuard (to help you block unwanted pop-up ads and intrusive malicious pages) and Zemana Anti Malware (to periodically scan your system for new malware, browser hijackers and adware). Make sure that you have all the Critical Updates recommended for Windows OS. Without regular updates you WILL NOT be protected when new GPU Miners, harmful programs and ad supported software are released.

If you are still having problems while trying to remove JS.Miner virus from your internet browser, then ask for help in our Spyware/Malware removal forum.