Most antivirus programs identify MsExc.exe as malware—e.g. Kaspersky identifies it as Trojan-Spy.Win32.Zbot.bgxp, and Microsoft identifies it as VirTool:Win32/DelfInject.
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Description: MsExc.exe is not essential for Windows and will often cause problems. The MsExc.exe file is located in a subfolder of "C:\Program Files".
The file size on Windows 10/8/7/XP is 385,025 bytes.
The program has a visible window. The software has no file description. The software is loaded during the Windows boot process (see Registry key: Run, MACHINE\Run). The MsExc.exe file is not a Windows core file. Therefore the technical security rating is 36% dangerous.
Recommended: Identify MsExc.exe related errors
If MsExc.exe is located in a subfolder of C:\Windows\System32, the security rating is 52% dangerous. The file size is 314,369 bytes. The program has a visible window. The process starts when Windows starts (see Registry key: Run, MACHINE\Run). MsExc.exe is not a Windows core file. MsExc.exe appears to be a compressed file.
Important: You should check the MsExc.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: ASecurity Task Manager examines the active MsExc process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the MsExc.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.