Most antivirus programs identify ctmon.exe as malware.
The ctmon.exe file is a software component of Marwan Computer Timer by Marwan Dev. Studio.
"ctmon.exe" is a main executable file in Windows for Marwan Computer Timer - not to be confused with Collaborative Translation Framework Monitor (ctfmon.exe) from Microsoft. The file opens a user interface when launched and accepts user input for various settings. It records statistics that include how many times the system is turned on and off, how many hours each user accumulates per day, total hours used in a day, and more. The file also summarizes statistics, such as how many average hours per day, month, or year the system is on. Marwan Dev. Studio does not have a website and is a name used by Marwan Wassouf for his status as a developer. He has created many software applications and made them available via internet, including Marwan VCD Player, Marwan Spy, Radiology Atlas of Human Anatomy, etc.
ctmon stands for computer timer monitor
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Description: Ctmon.exe is not essential for Windows and will often cause problems. Ctmon.exe is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 1,071,104 bytes (50% of all occurrences) or 39,185 bytes.
There is no file information. The ctmon.exe file is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The program starts upon Windows startup (see Registry key: MACHINE\Run, MACHINE\RunServices, Run, DEFAULT\Run). It is not a Windows core file. Ctmon.exe is able to record keyboard and mouse inputs, hide itself and monitor applications. Therefore the technical security rating is 100% dangerous.
Recommended: Identify ctmon.exe related errors
If ctmon.exe is located in a subfolder of "C:\Program Files", the security rating is 50% dangerous. The file size is 36,864 bytes. The program has no visible window. The program starts upon Windows startup (see Registry key: MACHINE\Run, MACHINE\RunServices, Run, DEFAULT\Run). It is not a Windows system file.
Important: You should check the ctmon.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.
The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active ctmon process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the ctmon.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.