How to remove the crsvc virus

Most antivirus programs identify crsvc.exe as malware—for instance Symantec identifies it as PUA.Downloader, and TrendMicro identifies it as ADW_STARTPAGE.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the crsvc.exe malware

Crsvc.exe file information

The process known as crsvc.exe appears to belong to software unknown by Yang Liwei.

Description: Crsvc.exe is not essential for Windows and will often cause problems. Crsvc.exe is located in a subfolder of the user's profile folder. The file size on Windows 10/8/7/XP is 185,800 bytes. 
There is no file information. The program has no visible window. The crsvc.exe file is not a Windows core file. Crsvc.exe is able to monitor applications. Therefore the technical security rating is 86% dangerous.

Recommended: Identify crsvc.exe related errors

If crsvc.exe is located in a subfolder of "C:\Program Files", the security rating is 100% dangerous. The file size is 185,800 bytes. The software has no file description. The program is not visible. The application uses ports to connect to or from a LAN or the Internet. The crsvc.exe file is not a Windows system file. Crsvc.exe is able to monitor applications.

Important: You should check the crsvc.exe process on your PC to see if it is a threat. If crsvc.exe has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


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Best practices for resolving crsvc issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active crsvc process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the crsvc.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

crsvc.exe [all]