JS/CoinMiner.F Miner Virus – How to Remove It from Your PC

JS/CoinMiner.F Miner Virus – How to Remove It from Your PC

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This article has been created in order to help explain what is JS/CoinMiner.F malware and how to remove it fully from your computer system.

New variant of the JS/CoinMiner malware has been detected to infect computer via malicious websites which have it embedded. The detection is JS/CoinMiner.F and is a variant of the Coin Miner malware. Such viruses utilize the CPU and GPU resources of an infected system in order to generate cryptocurrency tokens from the likes of Monero and BitCoin and all of this is at the expense of the victim. In the even that you have detected the JS/CoinMiner malware, we advise you to immediately remove it, preferrably by following the removal instructions below.

Threat Summary

TypeJavaScript Miner Malware
Short DescriptionWhen this malware infects your computer, it may begin to use your central processor and video card’s resources in order to mine for the cryptocurrencies BitCoin or Monero.
SymptomsNo symptoms besides your CPU and GPU becoming overheated, as this malware tries to stay undetectable for longer periods of time.
Distribution MethodVia compromised websites or sites that embedded it.
Detection Tool See If Your System Has Been Affected by JS/CoinMiner.F


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss JS/CoinMiner.F.

JS/CoinMiner.F – How Did I Get It

The JS/CoinMiner viruses are replicated via more than one method, but one thing is clear – JavaScript attack is imminent. Such malicious JavaScript malware family is not spread via just one method. The viruses are replicated via more than one method, but one thing is clear – JavaScript attack is imminent. Such malicious JavaScript code is used in order to perform a malicious infection via websites that have it embedded in their code. When you visit the website, the code is automatically activated and after this, the malware begins to mine for the cryptocurrency at the expense of your computer’s resources. Such websites, have so far been detected to be primarily dubious sites of suspicious nature, copycat sites of legitimate ones and even torrent websites, like KickassTorrents and ThePirateBay. And since tradition browsers and OS antivirus cannot ensure perfect protection if you have JavaScript enabled on them, the only viable solution so far appears to be an advanced anti-malware software, which uses real-time shield against threats, like JS/CoinMiner.F variant.

JS/CoinMiner.F – Further Information

The JS/CoinMiner malware is the type of threat that may act file-less after it infects your computer. Since it’s primary purpose is to infect your computer automatically, the miner malware may begin to be active immediately after infection. What happens is that the JavaScript code may or may not drop and execute an automated process on your computer as an administrator, which happens without your consent. This process begins running in the background of your computer system and the only method to detect it is if you see elevated CPU or GPU usage and elevated temperatures. Physically, this can be noticed if your system cooling ventilator becomes active and begins to make a lot of noise.

Once active, the script of this miner malware is often configured to connect to a so-called mining pool, whose primary purpose is to make it so that a lot of infected computers by JS/CoinMiner.F which are connected to the same mining wallet of the hackers generate income for it. This results In many negative consequences for your computer, including:

  • Slowing down.
  • Freezing at times.
  • The breakdown of some of it’s components.

In addition to this, since the JS/CoinMiner.F infection is from the type that performs various different malicious activities, like any other malware would do, it may collect different information from your PC as well, such as:

  • Info on any BitCoin wallets.
  • Your passwords and online accounts.
  • Your system information.
  • Your network data.
  • Take screenshots from your PC.
  • Log your keystrokes.

Even thought it has not yet been confirmed, the malware may also have additional script which may help it install other viruses on your computer and allow it to self-update and stay concealed for longer periods of time, even after you believe you have gotten rid of it.

How to Remove JS/CoinMiner.F from Your PC

In order to fully get rid of this unwanted infection from your computer, you should focus on isolating the threat before performing the actual removal. Since manually removing the threat is a time-costly process, we have made several simple instructions below which can help you isolate and delete the JS/CoinMiner threat from your computer effectively.

Malware researchers and cyber security experts often advise to perform an anti-malware scan using advanced malware removal software in order to permanently remove JS/CoinMiner from it plus discover other malware if it is present on your PC and remove all of the malicious objects in it effectively as well as protect your PC against future infections as well.


Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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