How to remove Js/coinminer.f

In which way do I remove Js/coinminer.f from the system? What is Js/coinminer.f and how did it infest my workstation? What are the malicious Trojan viruses and how you can shield the laptop from them? In this item we will answer all these questions and offer plain and efficient advises for removing Trojan viruses from each sustainable version of Windows.


Js/coinminer.f trojan


Now we'll talk about Js/coinminer.f, that infected the PC, and you unwillingly assisted it to do so. Suchlike software can call failures in the system, and we earnestly advise you to uninstall it as soon as you'll finish to read this guide. The safest manner to neutralize the malware infestation is to know how to distinguish viruses. Here is the short description of Trojans, of their abilities, strengths and cons. Trojan viruses are the distinct sort of viruses that is known for stealthiness and usability, but is unable to solely infect user's system. Actually, Trojans cannot be considered viruses, because viruses know how to multiply and independently distribute themselves. Trojans depend on people fully, at all times of their existence. The original host of young Trojan is its owner who gives it a form of a useful tool and puts it on cozy file-sharing service. The place of little malware's second host is free, and if you love these cute programs - just install as much free tools as possible, and soon you'll get one. Another crucial thing about Trojans is that they usually are being distributed with help of bundling - they enter the system in one bundle with couple of other viruses.

When Trojan eventually gets into the system it begins to pursue its goals, which obviously means bad things for the PC. Trojans are the largest sort of malware, and can induce significant damage to your system, engage your PC in a botnet or steal the passwords. Here is a short enumeration of average methods for using Trojans:

  • Trojans, thanks to their stealthiness, are just perfect tools for spying on common users. Trojan can live in infected PC for a long time, collecting data about its operator, accounts, visited sites, passwords and, possibly, even any text entered from keyboard.
  • The less popular way of using Trojans is to develop so-called botnets. By these we mean lots of computers, Macs or even "smart" fridges united by swindlers in one web that they use for various activity. The list of actions is pretty wide: from DDoS attacks on government websites to huge malspam campaigns, and it often results in restrictions from Google for one IP address or the entire subnet.

Any of these ways of Trojan usage might be carried out apart of other ones or simultaneously. Except described above aims that at first-hand give profit to swindlers, Trojans have multiple extra negatives: they exploit the CPU your machine's recourses, choke up its hard drive with unwanted tools and prevent the laptop from being used for its intended function. Knowing this, you'll absolutely endorse our opinion and delete Js/coinminer.f once and for all.

Removal instruction

Step 1. Boot the system into safe mode

  • Press Start
  • Type Msconfig and press Enter

Safe mode. Step 1


  • Select Boot tab

Safe mode. Step 2



  • Select Safe boot and press Ok

More information about Safe mode: What is Safe Mode and how to boot computer in Safe Mode


Step 2. Show all hidden files and folders

  • Press Start
  • Click on Control Panel

Show hidden files. Step 1


  • Select Appearance and Personalization

Show hidden files. Step 2


  • Click on Folder Options
  • Select View tab
  • Select Show hidden files, folders and drives

Show hidden files. Step 3


  • Press Ok


Step 3. Remove virus files


Check next folders to find suspicious files:

  • %TEMP%
  • %ProgramData%


Step 4. Fix hosts file

  • Go to %SystemRoot%\System32\drivers\etc\ folder



  • Open hosts file using Notepad or other text editor
  • Delete suspicious elements
  • Basic hosts file looks like this:



Step 5. Clean registry (for experienced users)

  • Click Start
  • Type Regedit.exe and press Enter
  • Clean startup registry keys
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunServices
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit

Step 6. Scan computer with antivirus


Here's a plain and effective manner to get rid of Trojans through Spyhunter antiviral software. This software can clear your workstation of any installed malware on it, but simultaneously shield it from other suchlike problems. Spyhunter works in totally independent mode, and to get rid of some malware you will just have to purchase the program, establish it and launch the scanning and removal processes. We consider this technique of removal to be a priority, because it is hard for a common customer to recognize which of the files on the device is hazardous. By erasing the wrong file, you can seriously disrupt the OS, and provoke its critical error. If you doubt the usefulness of Spyhunter, you can check the program yourself by getting a trial version.


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Step 7. Disable Safe Mode and restart computer

  • Press Start
  • Type Msconfig and press Enter
  • Select Boot tab
  • Remove the check near Safe boot


Video with trojan virus





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