How to Fix MpSigStub.exe Problem in infected PC

“I have been receiving a popup alert message about mpsigstub.exe for a few days, I set this exe file as trusted application, but it is no useful, the firewall still popup the alert. I googled it, it maybe a virus? Is true? What is mpsigstub.exe ? Is it really a virus?”

If you encounter MpSigStub.exe Problem and need help fix it, please read the post below carefully.

What is MpSigStub.exe?

MpSigStub.exe is known as Microsoft Malware Protection Signature Update Stub. Commonly, it is a Microsoft installer application used in conjunction with Windows Automatic Updates. It extracts update files to a temporary directory. However, it is not essential for Windows and will often cause problems. It is often located in the C:\Windows\System32 folder, so there may be something wrong with this process/file if it is not detected in this folder. MpSigStub.exe is flagged as suspicious file as it attempts to make a registry change. Besides, many viruses can hide themselves as MPSigStub.exe. It is dangerous to leave it in your PC. If you suspect the file Mpsigstub.exe on your PC, please follow the guides below to fix it.
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Guide 1: Watch Relevant Removal Video for Help

Guide 2: Manually Erase MpSigStub.exe from IE/FF/Chrome

You can delete corrupted and extra registry entries to remove malware that cause MpSigStub.exe Error. Open Registry Editor by pressing Windows+R keys, type regedit in Run box and click “OK” to proceed. When Registry Editor is open, search and get rid of the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "<random>" = "%AppData%\<random>.exe"

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run "<random>" = "%AppData%\<random>.exe"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments "SaveZoneInformation"=1

HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon "Shell" = "%AppData%\<random>.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe "Debugger"="svchost.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe

Guide 3: Automatically Fix MpSigStub.exe Error with RegCure Pro

RegCure Pro quickly and powerfully cleans your Windows registry. It has what you need to clean your computer as well as optimize it. The best way to improve your computer's performance is to start with a scan. This will tell you the current health status of your computer. 

Key features of RegCure Pro:

• Cleans away Windows registry errors
• Ejects active viruses, spyware and other malware
• Stops unneeded processes and startup items
• Deletes privacy files that could contain confidential info
• Find software to open files
• And much more!

Step 1. Click "Yes" to run the profile.

Step 3. After installation, you can scan your computer for errors by making a system scan。

Step 4. After scanning, choose the items you want to clean and fix.

Good to know:

Only few people can manually remove MpSigStub.exe Problem. RegCure Pro is packed with the tools you need to boost your PC's speed and correct the registry errors that lead to poor PC performance. It is compatible with the Windows 8 32-bit and 64-bit operating system. It will help you get rid of all kind of dll errors.