MSPMSNSV.DLL is Backdoor Poison

I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here:

The system file MSPMSNSV.DLL is infected with a virus. We recommend you to replace the MSPMSNSV.DLL file with its backup copy.

Malware Analysis of MSPMSNSV.DLL
Full path on a computer: %SYSDIR%\MSPMSNSV.DLL

Detected by UnHackMe:

Default location: %SYSDIR%\MSPMSNSV.DLL

Removal Results: Success
Number of reboot: 1

MSPMSNSV.DLL is known as:



  • MD5: 2f8ac36b4038b5fd7efad8f1206c01e2
The file tries to connect to the dangerous web site.
How to quickly detect MSPMSNSV.DLL presence?

  • HKLM\System\CurrentControlSet\Enum\Root\LEGACY_WMDMPMSN\0000\Service: “WmdmPmSN”
  • HKLM\System\CurrentControlSet\Enum\Root\LEGACY_WMDMPMSN\0000\DeviceDesc: “Portable Media Serial Number Service”

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1. Download UnHackMe for free

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UnHackMe is 100% CLEAN, which means it does not contain any form of malware, including adware, spyware, viruses, trojans and backdoors. VirusTotal (0/56).
System Requirements: Windows 2000-Windows 8.1/10 32 or 64-bit. UnHackMe uses minimum of computer resources.

2. Double click on UnHackMe_setup.exe

You will see a confirmation screen with verified publisher: Greatis Software. Verified Publisher Greatis Software

Once UnHackMe has installed has installed the first Scan will start automatically

Review the detected threats

3. Carefully review the detected threats!

Click Remove button or False Positive.