Krnl.exe Virus (Coin Miner Trojan) Removal

Written by Robert Bailey
Krnl.exe is a Trojan Coin Miner that makes use of the contaminated computer system’s resources to mine digital currency without your permission. It can be Monero, Bitcoin, DarkCoin or Ethereum.

When first run Trojan Bifrose copies itself to %System%\krnl.exe and creates the file %System%\plugin1.dat.

About “Krnl.exe”

Krnl.exe will certainly utilize more than 70% of your CPU’s power as well as graphics cards resources
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What this implies, is that when the miners are running you will find that your computer system is running slower and also games are faltering or cold since the Krnl.exe is using your computer’s sources to produce income on their own. This will trigger your CPU to go for really high-temperature levels for extended periods of time, which might shorten the life of the CPU.

Krnl.exe Technical Summary.

File NameKrnl.exe
TypeTrojan Coin Miner
Detection NameTrojan:Win32/CoinMiner
Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
Similar behaviorMl2021223.exe, Searchapp.exe, Servicehub.clr
RemovalDownload and install GridinSoft Anti-Malware for automatic Krnl.exe removal.

Slowing down your PC, running at peek degree for long times might create damages to your machine and increase power bills.

Central processor is not the single computer unit that is exploited by Krnl.exe miner. Graphic processing unit is also under attack, and while small and covered CPU cooling system is quite hard to damage, graphic cards have large and easy-to-access fans, which can be easily broke if touched while running, for instance, by the user much before the virus injection. Malfunctioning cooling system, together with the extremely high load caused by Krnl.exe can easily lead to graphic card failure.

When a computer is contaminated with Krnl.exe trojan, typical signs include:

  • Extremely high CPU as well as graphics cards use
  • Windows lessen as well as make best use of slowly, and programs run slower.
  • Programs don’t launch as promptly.
  • General sluggishness when utilizing the PC.
Krnl.exe Windows Process

Krnl.exe – Really high CPU and also graphics cards usage

How to detect Krnl.exe Coin Miner Trojan?

Unlike ransomware, cryptocurrencies extracting dangers are not obtrusive and are most likely to remain unnoticed by the sufferer.

Finding Krnl.exe hazard is relatively very easy. If the target is utilizing a GridinSoft Anti-Malware it is almost specific to discover any mining malware. Even without a protection remedy, the target is most likely to presume there is something wrong since mining bitcoin or other cryptocurrencies is an extremely resource extensive procedure. The most usual signs and symptom is a visible as well as often continuous drop in efficiency.

This symptom alone does not inform the sufferer what the precise trouble is. The user can experience similar concerns for a variety of reasons. Still, Krnl.exe malware can be extremely disruptive due to the fact that it will hog all offered computer power and also the sudden change in the way the contaminated tool executes is most likely to make the sufferer look for options. If the equipment of the affected gadget is powerful enough, as well as the victim does not find and get rid of the hazard promptly, the power usage as well as as a result the electricity expense will increase visibly as well.

Attentive users may also see unusual alterations in the Task Manager, or any other program for having a look on the actually active programs. System tasks, that are typically started in the thread of Windows tasks, are displayed as the process launched by the user. Simultaneously with this difference, you can also spectate that the picture of the notebook, that is usual for OS apps operating in the background, is changed by another picture. And in some cases, Krnl.exe virus does not even attempt to mimic the system processes, and can be spectated with his original name.

How to Remove Krnl.exe?

When the target has identified that their issue is Krnl.exe hazard, for the common customer there are a couple of remedies.

Most importantly use GridinSoft Anti-Malware would certainly be the very best remedy. There is no shortage of offered cybersecurity software that will certainly find as well as get rid of mining malware.

Alternatively, if the infected maker doesn’t contain vital data or the target has supported such data in a clean area, as well as the user has some experience, formatting the disk drives could function. This option may not be adequate if the infection has actually infiltrated several networks the equipment belongs of.

Download Removal Tool.

Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent malware than to use an anti-malware software from GridinSoft2.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Krnl.exe file and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

If the guide doesn’t help you to remove Krnl.exe infection, please download the GridinSoft Anti-Malware that I recommended. Also, you can always ask me in the comments for getting help. Good luck!

Remove Krnl.exe Virus (Trojan Coin Miner)

Name: Krnl.exe

Description: The Krnl.exe is a Trojan Coin Miner that uses the infected computer’s sources to mine electronic money without your authorization. This Krnl.exe will create your CPU to go for very warm temperatures for prolonged periods of time, which could reduce the life of the CPU.

Operating System: Windows

Application Category: Trojan

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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.


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