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How to remove the cmss virus

Most antivirus programs identify cmss.exe as malware—such as Kaspersky identifies it as Trojan-Downloader.Win32.Agent.gzle, and Symantec identifies it as WS.Reputation.1 or W32.SillyFDC.

The cmss.exe file is a software component of ServerSpool by ServicesWireless.

CMSS stands for Content Management Server Spool winsyst32

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 cmss.exe malware

Cmss.exe file information

Windows Task Manager with cmss
Cmss.exe process in Windows Task Manager

The process known as winsyst32 belongs to software NTResource or Event Log by ServicesWireless or Event Log.

Description: Cmss.exe is not essential for Windows and will often cause problems. Cmss.exe is located in a subfolder of "C:\Program Files (x86)"—mostly C:\Program Files (x86)\WinApps\. The file size on Windows 10/8/7/XP is 405,504 bytes. https://www.file.net/process/cmss.exe.html 
The cmss.exe file is a file with no information about its developer. The program has no visible window. The application is loaded during the Windows boot process (see Registry key: MACHINE\Run, User Shell Folders). The file is not a Windows system file. Cmss.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 54% dangerous.

Recommended: Identify cmss.exe related errors

If cmss.exe is located in a subfolder of the user's profile folder, the security rating is 82% dangerous. The file size is 335,968 bytes. There is no file information. The program is not visible. The cmss.exe file is not a Windows system file.

If cmss.exe is located in the Windows folder for temporary files, the security rating is 100% dangerous. The file size is 335,968 bytes. It is a file with no information about its developer. The program is not visible. The program starts when Windows starts (see Registry key: MACHINE\Run, User Shell Folders). The application listens for or sends data on open ports to a LAN or the Internet. The cmss.exe file is not a Windows system file.

Important: You should check the cmss.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

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Best practices for resolving cmss issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active cmss process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the cmss.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

cmss.exe [all]