Windows Problems Help Center

Tuesday, June 23, 2015

Is MpSigStub.exe a Safe Process - Get Rid of MpSigStub.exe Virus

These days, some computer users conplain that they find duplications of MpSigStub.exe in their PC randomly, they have never done this before, and the date of the files are not according to the date they use their PC, so they guess that MpSigStub.exe is a virus. 

MpSigStub.exe is a MS installer application used in conjunction with Windows Automatic Updates. It extracts update files to a temporary directory. However, it can be used by malware to distribute computer infections and do other malicious actions on your PC. Most of the computer users are careless and have little knowledge of computer security, they have no idea what MpSigStub.exe is and whether it is useful to their PC, they are afraid to delete it because they worry about deleting the critical files of their PC. So cyber criminals use the same name of MpSigStub.exe to develop malicious files or infections and dropped onto users' PC.

Be cautious that the MpSigStub.exe virus can perform a series of mucky conductions on users computer. Firstly, it may disable your anitvirus and make it unable to detect the invasion and existance of MpSigStub.exe virus. Secondly, it may will duplicate itself with the same name of MpSigStub.exe process. It is difficult for users to find it. Once clicking, it may be waken up and starts to do evil things on your PC. For instance, it may alter your DNS settings, registry entries or delete your critical files. Therefore, it is very urgent to get rid of MpSigStub.exe virus from your PC.


Guide 1: To manually delete all its related items like the steps showed below

a: Get into the safe mode with networking

<Restart your computer. As your computer restarts but before Windows launches, tap "F8" key constantly. Use the arrow keys to highlight the "Safe Mode with Networking" option, and then press ENTER>

b: Stop all the related processes of MPSIGSTUB.EXE VIRUS

Press Ctrl+Alt+Del together to open Task Manager -> click on processes and tick Processes from all users box -> click on End Process to end all processes 

c: Open Control Panel from Start menu and search for Folder Options.

When Folder Options window opens, click on its View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then press OK.

d: Delete all the related registry entries 

Press Windows+R to launch Run…-> type Regedit into Open box and click OK to open Registry Editor-> find out all registry entries above and delete them

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

e: Remove infected files  


C:\Program Files\<random>

Guide 2: To safely and automatically uninstall it with SpyHunter

SpyHunter is a world-famous real-time malware protection and removal tool, which is designed to detect , remove and protect your PC from the latest malware attacks, such as Trojans, worms, rootkits, rogue viruses, browser hijacker, ransomware, adware, key-loggers, and so forth. To keep SpyHunter Anti-malware on your computer is an important way to protect your computer in a good condition. Please find the instruction as follow.

Step 1: Click the icon to download SpyHunter.

Step 2: Click to Run the file.

Step 3: After installation, click Start New Scan to find out potential threats.

Step 4: Select All and Remove all reported threat.


Guide to download RegCure Pro to optimize PC 

If you are still worried about the left over of MPSIGSTUB.EXE VIRUS and want to clean all the unwanted registry entries,  it is recommended to use RegCure Pro. RegCure Pro is packed with the tools you need to boost your PC’s speed and performance. Featuring an intuitive interface and easy-to-use work flow, RegCure Pro scans common problem areas – and quickly and safely fixes them. As well, it has several tools and features to address other performance and computing issues.

Step 1. Install and launch RegCure Pro on your PC.

Step 2.  Click "Yes" to download and install RegCure Pro.


Step 3. Click "Next" to continue.

Step 4. RegCure Pro will open automatically on your screen.

RegCure Pro

 Step 5. RegCure Pro is scanning your PC for error.

 RegCure Pro2

Step 6. After scanning, choose the issues you want to fix. 


Conclution: Manual removal MPSIGSTUB.EXE VIRUS is a very complex and difficult process. If you don’t have sufficient expertise in dealing with the manual removal, Install Spyhunter can be your better choice. It is capable of auto-detecting and removing viruses. You can also Download RegCure Pro to help you remove unneeded registry files and optimize the computer.

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