How to Remove Csrss.exe File on Windows?

Issue: I’ve noticed Csrss.exe process on Task Manager sucking up CPU. Sometimes CPU consumption reaches more than 40%, which I assume is a lot and may negatively influence my PC’s performance. Is this file important?

Solved Answer

Csrss.exe file is not a core system file, which means that it can be removed without causing negative effects to system’s performance. In fact, this file is known as a Miner Trojan, which purpose is to exploit target PC’s processor and subsequently mine the MonaCoin (MONA) digital currency. The Csrss.exe Trojan misuses GPU and CPU power mine MonaCoin and protects itself from being removed. The existence of this malicious file may significantly slow down the PC and may open backdoor on the system to download other malicious programs. That’s why it’s advisable to remove Csrss.exe Trojan without a delay.

showing Csrss.exe MonaCoin Miner How Csrss.exe MonaCoin Miner Trojan functions?

Csrss.exe is distributed using various shady methods, such as malicious ads, links, encoded websites, in a pack with bundled freewares, and similar. Once installed, this Trojan creates the C:\\Windows\\svchost.exe executable, which furthermore launches the C:\\Windows\\Csrss.exe process. Although the svchost.exe is a legitimate Windows process, its name is often misused by malware developers to disguise malicious applications and prevent people from removing it.
When the two mentioned processes start to run, it means that the target PC has successfully been connected with the mining pool at From that moment, the PC’s GPU and CPU power is utilized for mining MonaCoin, which is why PC’s performance may significantly decrease. According to the BleepingComputer, the following are the side effects of the Csrss.exe error:

  • Multiple Csrss.exe processes running in Task Manager.
  • Csrss.exe process using up to 90% of CPU.
  • C:\\Windows\\Csrss.exe process with a descripton of Процесс исполнения клиент-сервер in Task Manager.
  • C:\\Windows\\Svchost.exe process with a description of Хост-процесс для служб Windows in Task Manager.
  • Computer’s slowdowns.
  • Long system’s boot up sessions.

Removing Csrss.exe Trojan

Uninstall now!
To uninstall these files, you have to purchase licensed version of Fortect uninstall software.

It’s practically impossible to uninstall Csrss.exe Miner Trojan because there’s no apps associate with it. Besides, the processes starts automatically, so you may sometimes find it running, while sometimes not. Besides, the Trojan may have some browser helpers, so trying to remove it may end up with various errors. If you are not allowed to disable Csrss.exe or another malicious process, you can use Rkill utility, which temporarily stops malicious processes and enable the PC user to remove them. Once Rkill is launched, boot your PC into Safe Mode and immediately run a scan with a professional anti-malware. We would recommend using FortectMac Washing Machine X9.

Malicious processes like Csrss.exe can also be disabled manually. If you want to try manual fix in gthe first place, please follow these steps:

  1. Press Windows key + R and type “services.msc”. Click OK.
  2. Locate the Automatic Updates service and double-click on it. Check if Log On tab is selected by default.
  3. Deselect the option “Allow service to interact with desktop”.
  4. Find General tab and check whether start-up is set to Automatic. If not, change it to Automatic.
  5. Now open Service Status section. Enable it by pressing Start.
  6. Repeat it again for the Background Intelligent Transfer Service.
  7. Then right-click on Windows key and select Command Prompt (Admin).
  8. Type in REGSVR32 WUAPI.DLL and press Enter.
  9. Once you see the message “DllRegisterServer in WUAPI.DLL succeeded”, click OK.
  10. You should now do the same with the following commands:
  11. After thatm enter the net stop WuAuServ command in the Command Prompt and press Enter.
  12. Type cd %windir% and press Enter again.
  13. Type ren SoftwareDistribution SD_OLD.
  14. Then type net start WuAuServ and close Command Prompt.

If that did not help, the only way to remove the Csrss.exe is to kill the process and scan the system with a professional anti-malware.

Get rid of programs with only one click

You can uninstall this program with the help of the step-by-step guide presented to you by experts. To save your time, we have also selected tools that will help you carry out this task automatically. If you are in a hurry or if you feel that you are not experienced enough to uninstall the program by your own, feel free to use these solutions:

do it now!
removal software Happiness
Compatible with Microsoft Windows
Run into problems?
If you failed to uninstall the program using Fortect, let our support team know about your issues. Make sure you provide as much details as possible. Please, let us know all details that you think we should know about your problem.
Fortect - a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
To repair damaged system, you have to purchase the licensed version of Fortect malware removal tool.

Access geo-restricted video content with a VPN

Private Internet Access is a VPN that can prevent your Internet Service Provider, the government, and third-parties from tracking your online and allow you to stay completely anonymous. The software provides dedicated servers for torrenting and streaming, ensuring optimal performance and not slowing you down. You can also bypass geo-restrictions and view such services as Netflix, BBC, Disney+, and other popular streaming services without limitations, regardless of where you are.

Don’t pay ransomware authors – use alternative data recovery options

Malware attacks, particularly ransomware, are by far the biggest danger to your pictures, videos, work, or school files. Since cybercriminals use a robust encryption algorithm to lock data, it can no longer be used until a ransom in bitcoin is paid. Instead of paying hackers, you should first try to use alternative recovery methods that could help you to retrieve at least some portion of the lost data. Otherwise, you could also lose your money, along with the files. One of the best tools that could restore at least some of the encrypted files –  Data Recovery Pro.

About the author
Lucia Danes
Lucia Danes - Security researcher

Lucia Danes is the news editor at UGetFix. She is always on the move because the eager for knowledge makes her travel around the globe and attend InfoSec events and conferences.

Contact Lucia Danes
About the company Esolutions

What you can add more about the problem: "How to Remove Csrss.exe File on Windows?"