PERFS.EXE - Dangerous

What you should do about PERFS.EXE:

Your PC is infected. The file called PERFS.EXE is considered unsafe and there may be other infections on your PC.

You should urgently check your PC and remove any malicious software including PERFS.EXE as soon as possible. The free version of Prevx CSI will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't take the risk, check your PC now.

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What we know about PERFS.EXE:

The filename PERFS.EXE was first seen on Sep 28 2007 in The UNITED STATES. It has also been seen in the following geographical regions of the Prevx community:

  • SPAIN on Apr 25 2008
  • CANADA on Jun 11 2008
  • The UNITED KINGDOM on May 20 2008
  • NETHERLANDS on Sep 28 2007
  • GERMANY on Sep 28 2007
The filename PERFS.EXE refers to many versions of an executable program.

The most common file size is 33,792 bytes. But the following file sizes have also been seen:

  • 43,520 bytes
  • 188,416 bytes
  • 34,304 bytes
  • 185,344 bytes
  • 184,832 bytes

The filename is associated with the malware group TROJAN.GEN.Some files using the name PERFS.EXE are also associated with the malware groups:
  • Generic.Rootkit
  • Rootkit.Gen
  • Trojan.Downloader

These files may have the following Vendor, Product, Version Information in the file header ; ; 1.0.0.0

  • The following Vendor, Product, Version Information has also been reported:
 ; ; 2.0.0.4

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

  • This Process Deletes Other Processes From Disk
  • Writes to another Process's Virtual Memory (Process Hijacking)
  • This Process Creates Other Processes On Disk
  • Looks at the contents of the autoexec.bat file
  • Reads email address and phone book details
  • Uses DNS to retrieve the IP address for web sites
  • Can communicate with other computers using TCP protocols
  • Can communicate with other computer systems using HTTP protocols
  • Executes a Process
  • Registers a Dynamic Link Library File

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

  • Created as a new Background Service on the machine
  • Created as a process on disk
  • Executed as a Process
  • Has code inserted into its Virtual Memory space by other programs
  • Registered as a Dynamic Link Library File

PERFS.EXE can also use the following file names:

  • 75615174.SVD
  • TMP0_54129314356.BK
  • TMP0_237160423197.BK
  • 10623043.EXE
  • P[1].BIN
  • TMP0_229511699617.BK
  • TMP0_692861219836.BK
  • DPTRIPITLC-400.PMS.EXE
  • 66170251.EXE
  • PERFS.EXE.BK
  • 81257307.EXE
  • DPTRASYALM-27.PMS.EXE
  • 08203227.DAT
  • DPTRDINMXS-810.PMS.EXE
  • 19820886.SVD
  • 12846746.DAT
  • 98298827.EXE
  • 72588798.EXE
  • 24224742.EXE
  • 90896325.EXE
  • PERFS.EXE__DELETE_ON_REBOOT
  • 76417782.EXE
  • 46228447.EXE
  • 97161661.EXE
  • 35363666.EXE
  • 05323459.EXE
  • 06573665.EXE
  • 21759087.EXE
  • 71393674.EXE
  • 50070798.EXE
  • 85101654.BIN
  • PERFS.EXE.OLD5857

Virus, Spyware & Malware Center