What is MST.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the MST.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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MST.exe file information

The process belongs to software MCE Standby Tool by Herman van Eijk.

Description: MST.exe is not essential for the Windows OS and causes relatively few problems. The file MST.exe is located in a subfolder of the user's profile folder. The file size on Windows 10/8/7/XP is 193,536 bytes. 
It is a file with no information about its developer. The program is not visible. The file is not a Windows core file. Therefore the technical security rating is 56% dangerous.

Recommended: Identify MST.exe related errors

If MST.exe is located in a subfolder of "C:\Program Files", the security rating is 9% dangerous. The file size is 1,451,008 bytes (50% of all occurrences) or 1,171,456 bytes. The program has a visible window. You can uninstall this program in the Control Panel. The MST.exe file is a file with no information about its developer. The file is not a Windows system file. MST.exe is able to record keyboard and mouse inputs and monitor applications.

Uninstalling this variant: In the event of any problems with MST.exe, you can do the following:

If MST.exe is located in a subfolder of C:\Windows\System32, the security rating is 100% dangerous. The file size is 1,747,968 bytes. There is no information about the author of the file. The file is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The program starts when Windows starts (see Registry key: MACHINE\Run, Run). The program is a hidden stealth process. The MST.exe file is not a Windows system file. MST.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs.

Important: Some malware camouflages itself as MST.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example TROJ_BITMINER.YUGV or TROJ_GEN.R0C1C0EAH15 (detected by TrendMicro), and Bitcoinminer or Trojan.Gen.2 (detected by Symantec). Therefore, you should check the MST.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 MST issues

A clean and tidy computer is the key requirement for avoiding problems with MST. 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.

To help you analyze the MST.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

MST.exe [all]