What is MsMpEng.exe?
MsMpEng.exe is part of Windows Defender and developed by Microsoft Corporation according to the MsMpEng.exe version information.
MsMpEng.exe's description is "Service Executable"
MsMpEng.exe is digitally signed by Microsoft Corporation.
MsMpEng.exe is usually located in the 'C:\Program Files\Windows Defender\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about MsMpEng.exe.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on MsMpEng.exe:
| Property | Value |
|---|---|
| Product name | Windows Defender |
| Company name | Microsoft Corporation |
| File description | Service Executable |
| Internal name | MsMpEng.exe |
| Original filename | MsMpEng.exe |
| Legal copyright | © Microsoft Corporation. All rights reserved. |
| Product version | 1.1.1593.0 |
| File version | 1.1.1593.0 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | Windows Defender |
| Company name | Microsoft Corporation |
| File description | Service Executable |
| Internal name | MsMpEng.exe |
| Original filename | MsMpEng.exe |
| Legal copyright | © Microsoft Corporation. All right.. |
| Product version | 1.1.1593.0 |
| File version | 1.1.1593.0 |
Digital signatures [?]
MsMpEng.exe has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | Microsoft Corporation |
| Certificate issuer name | Microsoft Code Signing PCA |
| Certificate serial number | 61469ecb000400000065 |
VirusTotal report
None of the 50 anti-virus programs at VirusTotal detected the MsMpEng.exe file.
Folder name variants
MsMpEng.exe may also be located in other folders than C:\Program Files\Windows Defender\. The most common variants are listed below:
- C:\Programme\Windows Defender\
- C:\Programmi\Windows Defender\
- D:\Program Files\Windows Defender\
- C:\Archivos de programa\Windows Defender\
- C:\Arquivos de programas\Windows Defender\
- C:\Programmer\Windows Defender\
- C:\Program Files\Security\Windows Defender\
- C:\Program\Windows Defender\
- F:\Program Files\Windows Defender\
Hashes [?]
| Property | Value |
|---|---|
| MD5 | f45dd1e1365d857dd08bc23563370d0e |
| SHA256 | d95aebb2095579d716c62152c8b805e119812fd2e40f14f9a5ba2efde133303b |
Error Messages
These are some of the error messages that can appear related to msmpeng.exe:
msmpeng.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
msmpeng.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.
Service Executable has stopped working.
End Program - msmpeng.exe. This program is not responding.
msmpeng.exe is not a valid Win32 application.
msmpeng.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.
What will you do with MsMpEng.exe?
To help other users, please let us know what you will do with MsMpEng.exe:
What did other users do?
The poll result listed below shows what users chose to do with MsMpEng.exe. 15% have voted for removal. Based on votes from 27 users.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
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Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
I have an issues with this file hogging my Ram and Disc. I have tried many things to disable it, none worked. Scanned with Malwarebytes not identified. My computer is so slow it is worthless. I have looked for a solution for 2 days.
Please help.
In the file:
C:\ProgramData\Microsoft\Windows Defender\Platform\4.12.17007.17123-0
# 12 Dec 2017, 10:39
Joe Kendrick writes