How to remove the cflmon virus

Most antivirus programs identify cflmon.exe as malware—e.g. TrendMicro identifies it as WORM_SDBOT.GAV, and Symantec identifies it as W32.Spybot.Worm.

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 cflmon.exe malware

Cflmon.exe file information

The process known as Generic Host Process for Win32 Services appears to belong to software Microsoft Windows Operating System or Generic Host Process for Win32 Services by Microsoft (

Description: Cflmon.exe is not essential for Windows and will often cause problems. The file cflmon.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 1,243,832 bytes (66% of all occurrences), 1,350,840 bytes or 1,364,664 bytes. 
The process starts upon Windows startup (see Registry key: MACHINE\Run, RunOnce). The cflmon.exe file is not a Windows system file. The program is not visible. The cflmon.exe file is located in the Windows folder, but it is not a Windows core file. The process listens for or sends data on open ports to a LAN or the Internet. Cflmon.exe is able to hide itself and monitor applications. Therefore the technical security rating is 82% dangerous.

Recommended: Identify cflmon.exe related errors

Important: You should check the cflmon.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.


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Best practices for resolving cflmon issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active cflmon process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the cflmon.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 cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

cflmon.exe [all]