MSSRV32.EXE - Dangerous

What you should do about MSSRV32.EXE:

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Your PC may be infected. The presence of a file called MSSRV32.EXE is a possible sign of infection.


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What we know about MSSRV32.EXE:

The filename MSSRV32.EXE was first seen on Jul 10 2007 in GERMANY. It has also been seen in the following geographical regions of the Prevx community:

  • The EUROPEAN UNION on Apr 1 2008
  • UKRAINE on Jul 10 2007
  • ITALY on Aug 18 2007
  • The UNITED KINGDOM on Aug 18 2007
  • SPAIN on Oct 26 2007
  • KOREA, REPUBLIC OF on Oct 26 2007
The filename MSSRV32.EXE refers to many versions of an executable program.

The most common file size is 22,528 bytes. But the following file sizes have also been seen:

  • 54,900 bytes
  • 15,974 bytes
  • 12,789 bytes
  • 24,576 bytes
  • 777,777,777 bytes
  • 32,768 bytes

The unsafe files using this name are associated with the malware group BACKDOOR.DIMPY.WIN32VBSY.Q.Some files using the name MSSRV32.EXE are also associated with the malware groups:
  • Trojan.Updatex
  • Downloader.Agent.NFA
  • Downloader.Obfuskated
  • Crypt.H
 These files have no vendor, product or version information specified in the file header.

MSSRV32.EXE has been seen to perform the following behavior(s):

  • Executes a Process
  • This Process Deletes Other Processes From Disk
  • This Process Creates Other Processes On Disk
  • The Process is packed and/or encrypted using a software packing process
  • The Process is polymorphic and can change its structure

MSSRV32.EXE has been the subject of the following behavior(s):

  • Created as a process on disk
  • Executed as a Process
  • Created as a new Background Service on the machine
  • Executed from Temporary Folders
  • Deleted as a process from disk
  • Has code inserted into its Virtual Memory space by other programs
  • Copied to multiple locations on the system

MSSRV32.EXE can also use the following file names:

  • 95107503.SVD
  • D1B95.TMP
  • CRYPTED__BOT.EXE
  • CRYPTED__BOT[1].EXE
  • D8.TMP
  • D0007[1].EXE
  • SCM.EXE
  • 94561607.SVD
  • DPTRMKWARG-880.PMS.EXE
  • 224902247E7FDD9B608C6FDB0892FC02.EXE
  • 14394105.DAT
  • 81962907.EXE
  • 93162488.DAT
  • 05392241.DAT
  • 76117326.EXE
  • 15724_MSSRV32.EXE.OSF
  • 38092186.EXE
  • DPTRRKILBV-543.PMS.EXE
  • A1716B629402517DCAA4DA069D4D9DC5.EXE
  • 40790743.SVD
  • 17296821.DAT
  • 99149478.DAT
  • CSI8.TMP
  • CSIF.TMP
  • 40941826.EXE
  • 90973401.EXE
  • 02661837.DAT
  • 44931676.DAT
  • 47071556.DAT
  • 35325475.EXE

Virus, Spyware & Malware Center