What is MRT.exe; mrt.exe Microsoft Windows Malicious Software Removal Tool

MRT.EXE: MRT is an abbreviation of the Microsoft Removal Tool. Mrt.exe is an executable software file of Windows developed by Microsoft. This file enables the running of the Microsoft Malicious Removal Tool. Though it is not a core Windows process, this file should be removed if it is found to cause any problems. MRT was initially released in the year 2005. MRT is available for free and it does the scanning of the common infections that can affect your computer. It can keep running in the background silently as long as no infections are found. An alternate antivirus can be used as well. The filename contains “.exe” which indicates that it is an executable file. Sometimes executable files may harm your computer.

Mrt.exe is usually located in the C folder under the System32 folder. The file size is 13,179,660 bytes on Windows 10/8/7/XP. This executable file is capable of monitoring and manipulating other programs. The technical rating has stated that the file is 22% dangerous. It becomes 86% dangerous as per security rating when the file is found under the subfolder of the Windows folder and occupies a space of 1,484,800 bytes. It is to be noticed that some of the malware files like ROJ_GEN.R03BC0OC318 or TROJ_GEN.R002C0OCP18 and ML.Attribute.HighConfidence or Trojan.Gen.6 camouflages itself as mrt.exe. So check the mrt.exe file for any threat frequently. As known, the affected platform is Windows operating system.

Mrt.exe is said to be a lightweight tool. So it cannot cause many problems in the initial stages of usage. It acts like a supplementary to the anti-virus utility but it cannot replace an anti-virus like Norton and AVG which are dedicated. This Microsoft Malicious Software Removal Tool is different from the conventional ant-virus tools that we use. It differs from the actual anti-virus software in the following way:

This tool is capable of preventing only certain specific prevalent malware from damaging the computer. This software can be said to be a modest subset of all the other malware that is being in existence on the internet.

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Moreover, it is a post-infection removal tool. This means that the MRT tool can only eliminate the malware that has been already affected whereas anti-virus tools can stop the malware from running on your personal computer. It is obvious that prevention is better than cure. So it is recommended that you always have an anti-virus besides the MRT tool.


Your computer may become sluggish when infected by the MRT.exe virus. This is because this virus will be taking a lot of space in the CPU memory. So eventually your computer may slowdown in its process. Now, how do you check this? The following text will help you out with this.

  • Press CTRL, ALT and Delete keys simultaneously. This will let you open the task manager.
  • Search for MRT.exe in the file path c:\windows\system32.
  • If you don’t find the file in the file path c:\windows\system32, then it is obviously some other malware disguised as MRT.exe.
  • You should immediately delete the file by running an antivirus scan to shoo away the malware.

Removing MRT.EXE From Your PC | MRT.EXE Microsoft Windows Malicious Software Removal Tool

Method 1: Try to delete the files with the name mrt.exe

As said earlier, the original mrt.exe file can be found in the file path c:\windows\system32. Any other file with the same name should be a virus.

  • Press the Windows key and E button simultaneously. The file manager will get opened.
  • Now press the CTRL key and F button simultaneously. You will be asked to search for any desired file.
  • Type mrt.exe and press the ENTER key.
  • Your search results will appear.
  • The location of the file will appear below the file name in the search result.
  • If you find mrt.exe files outside the file path c:\windows\system32, then it is the time for you to delete those files.
  • Right-click on those files and select the delete option.
  • Make sure that you do not delete the file at c:\windows\system32.
  • If you are not able to delete, open the task manager. For this press CTRL, ALT and Delete simultaneously.
  • Locate the respective files and choose End Task. Do this until you are done getting rid of every disguised file.

After deleting the mrt.exe files, you might receive a message saying “MRT cannot be found” when you log into your computer every time. On receiving this message, do the following.

  • Open the browser.
  • Visit the link https://docs.microsoft.com/en-us/sysinternals/downloads/autoruns.
  • Download the Autoruns.
  • After downloading, open the zip file using WinRAR and run mrt.exe.
  • To find mrt.exe, click on the “logon tab”. If not found there, then click the “everything tab” and you can find the mrt.exe file there.
  • Right-click on the mrt.exe file found there and delete it.

Method 2: Go with scanning

It is preferred that you choose the second method to remove the mrt.exe virus from your PC because this will make sure that your system will be more protected. Even after following method 1, if you still find mrt.exe running on your system, then you can go with this method.

Download an anti-malware program. This could be any anti-malware program of your choice. Make sure that the downloaded program is a reputable application.

Open the downloaded anti-malware program and run it.

Scan your computer using the program

After scanning the system, your system will now be free of any viruses. This will eventually remove the disguised mrt.exe malware files.


MRT.exe is a windows program that is legitimate. When this program is found to run, it is sure that the file will spike CPU and Memory Usage. This is because the resources are consumed by it to keep its function underperformance. Mrt.exe is Window’s own malware removal tool. However, when it is found anywhere other than the file path c:\windows\system32, then it is a virus in disguise. And this will need to be removed for which you can use any of the methods that we have mentioned in the text above. We hope that this article has given you a solution to get rid of the mrt.exe malware.

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