The genuine MpSigStub.exe file is a software component of Microsoft Windows by Microsoft.
Windows is an operating system. Windows Automatic Updates is a Microsoft programs that automatically downloads and installs updates. MPSigStub.exe is a Microsoft installer application file that is used along with Windows Automatic Updates. This is a genuine process that does not pose a threat to your PC.
Windows Automatic Updates is a Microsoft service that comes with Windows Vista operating systems and Windows Server 2008 and later versions, and is designed to automatically download and install software updates over an internet connection. Automatic Updates is an upgraded version of the original Windows Update program, and was first released with Windows ME. Microsoft Protection Signature Stub is a Microsoft installer application that works along with Windows Automatic Updates to verify signatures.
The Microsoft Corporation founded in 1978 is an American technology company with a global IT footprint. It is noted for several products such as the Windows range of operating systems, Surface tablets and Xbox video game consoles. Microsoft's Initial Public Offering created three billionaires and approximately 12,000 millionaires. The company acquired Skype Technologies for $8.5 billion in 2011 and LinkedIn for $26.2 billion in 2016.
MPSigStub stands for Microsoft Protection Signature Stub
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 MpSigStub.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.
The process known as Microsoft Malware Protection Signature Update Stub belongs to software Microsoft Malware Protection by Microsoft (www.microsoft.com).
Description: MpSigStub.exe is not essential for Windows and will often cause problems. The MpSigStub.exe file is located in a subfolder of C:\Windows (mainly C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\82A95321-8322-4E69-BCC7-DB21365239F9\).
Known file sizes on Windows 10/8/7/XP are 548,000 bytes (28% of all occurrences), 485,032 bytes and 12 more variants.
The program is not visible. It is not a Windows core file. The software has no file description. It is located in the Windows folder, but it is not a Windows core file. Therefore the technical security rating is 71% dangerous; but you should also compare this rating with the user reviews.
Recommended: Identify MpSigStub.exe related errors
Important: Some malware camouflages itself as MpSigStub.exe. Therefore, you should check the MpSigStub.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.
A clean and tidy computer is the key requirement for avoiding problems with MpSigStub. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the MpSigStub.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.