What is MpSigStub.exe?

MpSigStub.exe is part of Microsoft Malware Protection and developed by Microsoft Corporation according to the MpSigStub.exe version information.

MpSigStub.exe's description is "Microsoft Malware Protection Signature Update Stub"

MpSigStub.exe is digitally signed by Microsoft Corporation.

MpSigStub.exe is usually located in the 'c:\Windows\System32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about MpSigStub.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 MpSigStub.exe:

PropertyValue
Product nameMicrosoft Malware Protection
Company nameMicrosoft Corporation
File descriptionMicrosoft Malware Protection Signature Update Stub
Internal nameMpSigStub.exe
Original filenameMpSigStub.exe
Legal copyright© Microsoft Corporation. All rights reserved.
Product version1.1.13738.0
File version1.1.13738.0

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameMicrosoft Malware Protection
Company nameMicrosoft Corporation
File descriptionMicrosoft Malware Protection Signatu..
Internal nameMpSigStub.exe
Original filenameMpSigStub.exe
Legal copyright© Microsoft Corporation. All rights..
Product version1.1.13738.0
File version1.1.13738.0

Digital signatures [?]

MpSigStub.exe has a valid digital signature.

PropertyValue
Signer nameMicrosoft Corporation
Certificate issuer nameMicrosoft Code Signing PCA
Certificate serial number330000014096a9ee7056fecc07000100000140

VirusTotal report

None of the 59 anti-virus programs at VirusTotal detected the MpSigStub.exe file.

None of the 59 anti-virus programs detected the MpSigStub.exe file.

Filename variants

MpSigStub.exe may also use other filenames. The most common variants are listed below:

Folder name variants

MpSigStub.exe may also be located in other folders than c:\Windows\System32\. The most common variants are listed below:

Other files also named MpSigStub.exe

MpSigStub.exe (359 votes)

Hashes [?]

PropertyValue
MD57f0a95a66cdd036961cb86a470532e96
SHA256fef91b4ebb71bd009156e0da54c1d5d8ded2c71a07c93c7f3838b0287e9a85da

Error Messages

These are some of the error messages that can appear related to mpsigstub.exe:

mpsigstub.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

mpsigstub.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.

Microsoft Malware Protection Signature Update Stub has stopped working.

End Program - mpsigstub.exe. This program is not responding.

mpsigstub.exe is not a valid Win32 application.

mpsigstub.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with MpSigStub.exe?

To help other users, please let us know what you will do with MpSigStub.exe:



What did other users do?

The poll result listed below shows what users chose to do with MpSigStub.exe. 100% have voted for removal. Based on votes from 1 user.

Votes
Keep0 %
0
Remove100 %
1

NOTE: Please do not use this poll as the only source of input to determine what you will do with MpSigStub.exe. Only 1 user has voted so far so it does not offer a high degree of confidence.

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.

Please select the option that best describe your thoughts on the information provided on this web page


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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.

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