What is mftutil.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 mftutil.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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Mftutil.exe file information

The process known as avast! mft utility or Avast! Antivirus belongs to software Avast Free Antivirus or AVAST Software a.s by Avast Software s.r.o or AVAST Software (

Description: Mftutil.exe is not essential for the Windows OS and causes relatively few problems. The file mftutil.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 443,264 bytes (66% of all occurrences), 442,280 bytes or 396,424 bytes. 
The program has no visible window. It is digitally signed. It is not a Windows core file. Therefore the technical security rating is 28% dangerous.

Uninstalling this variant: It is possible to do the following:
  1) uninstall the program using the Control Panel ⇒ Uninstall a ProgramAvast Internet Security or Avast Free Antivirus
  2) contact to assist you.

Recommended: Identify mftutil.exe related errors

Important: Some malware camouflages itself as mftutil.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the mftutil.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 mftutil issues

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

mftutil.exe [all]