How to Remove JS:MINER-C

This article can help you to remove JS:MINER-C Virus. The step by step removal works for every version of Microsoft Windows.

JS:MINER-C is categorized as a Trojan horse. This category includes a wide variety of different Trojans which are very distinctive. The JS:MINER-C parasite is a JavaScript Trojan. This is good. As it is rather less dangerous than most of its family members. This particular virus is programmed to dig cyber currency. It is part of a new trend called drive-by mining which is meant to replace the old-fashioned advertisements as the main income source for online platforms. The scheme is simple. You visit a website where this code executed. The miner uses your computer resources while the website remains opened in your browser. When you close the page, the mining process should stop. Yet, it doesn’t always happen. The JS:MINER-C Trojan is often reported for unauthorized use of its victims’ devices. Once on board, the Trojan uses your computer resources as it sees fit. To carry out its malicious processes, the Trojan needs a lot of computer resources. And it uses them. Your comfort and well-being are not part of the equation. JS:MINER-C can slow your computer down to a crawl. Given enough time, this parasite may cause your OS to freeze and crash frequently. This leads to data loss and, more often than not, to the dreaded Blue Screen of Death. The coin dinging process is profitable, but not for you. So, do not hesitate to remove this intruder. The sooner it is gone, the better!


How did I get infected with?

JS:MINER-C is usually downloaded automatically when you visit “infected” websites. This type of download is called drive-by download. It has no vitalization and is completely automatic. The only way to detect such a download is to have a powerful an anti-malware app on board. JS:MINER-C is also spread via torrents, spam email, software bundling, and fake software updates. Freeware/shareware and pirated copies of licensed software often become hosts of such parasites. The crooks simply attach the virus to the installation file of the host. If you are not careful, you will install multiple programs with one single click. Only your caution can prevent this technique from succeeding. Download your software from reliable sources only. When you start the installation process, opt for the Advanced option in the Setup Wizard. Under the Advanced installation, you will be presented with all changes that are about to be made. Examine the list carefully. Deselect all suspicious options. Familiarize yourself with the Terms and Conditions/EULA. If you spot anything out of the ordinary, abort the installation immediately. The Internet is a dangerous place. It is bursting with parasites. Keeping a powerful anti-virus app on board is a must nowadays!

Why is this dangerous?

The JS:MINER-C Trojan should not remain on your device. It slows your computer down and makes it as good as useless. The Trojan can cause frequent system crashes, which will, inevitably, lead to data loss and/or to the Blue Screen of Death. Furthermore, the Trojan consumes electricity. A lot of electricity. The virus can double even triple your electricity bill. This is not a joke. This scenario is quite possible. JS:MINER-C is an intruder. It cannot be beneficial to you. On the contrary, it is quite hazardous. You can never be sure of the true nature of the virus. It can establish remote control of your PC. Can you imagine what may happen if a hacker gets in control of your machine? The consequences will be devastating. JS:MINER-C can also download files. It serves as a backdoor to your system. Other viruses and malware can use it to further infect your machine. The longer this parasite remains active on your computer, the worse your predicaments become. The Trojan is quite a sophisticated infection. So is its removal. Therefore, we recommend you to use a trustworthy anti-virus app. This is the easiest and safest way to clean your computer.

Manual JS:MINER-C Removal Instructions

The JS:MINER-C infection is specifically designed to make money to its creators one way or another. The specialists from various antivirus companies like Bitdefender, Kaspersky, Norton, Avast, ESET, etc. advise that there is no harmless virus.

If you perform exactly the steps below you should be able to remove the JS:MINER-C infection. Please, follow the procedures in the exact order. Please, consider to print this guide or have another computer at your disposal. You will NOT need any USB sticks or CDs.

STEP 1: Track down JS:MINER-C related processes in the computer memory

STEP 2: Locate JS:MINER-C startup location

STEP 3: Delete JS:MINER-C traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down JS:MINER-C related processes in the computer memory

  • Open your Task Manager by pressing CTRL+SHIFT+ESC keys simultaneously
  • Carefully review all processes and stop the suspicious ones.


  • Write down the file location for later reference.

Step 2: Locate JS:MINER-C startup location

Reveal Hidden Files

  • Open any folder
  • Click on “Organize” button
  • Choose “Folder and Search Options”
  • Select the “View” tab
  • Select “Show hidden files and folders” option
  • Uncheck “Hide protected operating system files”
  • Click “Apply” and “OK” button

Clean JS:MINER-C virus from the windows registry

  • Once the operating system loads press simultaneously the Windows Logo Button and the R key.


  • A dialog box should open. Type “Regedit”


Depending on your OS (x86 or x64) navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or

  • and delete the display Name: [RANDOM]

delete backgroundcontainer

  • Then open your explorer and navigate to: %appdata% folder and delete the malicious executable.

Clean your HOSTS file to avoid unwanted browser redirection

Navigate to %windir%/system32/Drivers/etc/host

If you are hacked, there will be foreign IPs addresses connected to you at the bottom. Take a look below:


Step 4: Undo the possible damage done by JS:MINER-C

This particular Virus may alter your DNS settings.

Attention! this can break your internet connection. Before you change your DNS settings to use Google Public DNS for JS:MINER-C, be sure to write down the current server addresses on a piece of paper.

To fix the damage done by the virus you need to do the following.

  • Click the Windows Start button to open the Start Menu, type control panel in the search box and select Control Panel in the results displayed above.
  • go to Network and Internet
  • then Network and Sharing Center
  • then Change Adapter Settings
  • Right-click on your active internet connection and click properties. Under the Networking tab, find Internet Protocol Version 4 (TCP/IPv4). Left click on it and then click on properties. Both options should be automatic! By default it should be set to “Obtain an IP address automatically” and the second one to “Obtain DNS server address automatically!” If they are not just change them, however if you are part of a domain network you should contact your Domain Administrator to set these settings, otherwise the internet connection will break!!!


  • Check your scheduled tasks to make sure the virus will not download itself again.

How to Permanently Remove JS:MINER-C Virus (automatic) Removal Guide

Please, have in mind that once you are infected with a single virus, it compromises your whole system or network and let all doors wide open for many other infections. To make sure manual removal is successful, we recommend to use a free scanner of any professional antimalware program to identify possible virus leftovers or temporary files.

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