TASKMON.SYS - Dangerous

What you should do about TASKMON.SYS:

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


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What we know about TASKMON.SYS:

The filename TASKMON.SYS was first seen on Dec 15 2007 in SPAIN. It has also been seen in the following geographical regions of the Prevx community:

  • CANADA on Dec 15 2007
  • The EUROPEAN UNION on Jan 19 2008
  • ITALY on Jan 21 2008
  • The UNITED ARAB EMIRATES on Dec 21 2007
The filename TASKMON.SYS refers to many versions of an object.

The most common file size is 18,368 bytes. But the following file sizes have also been seen:

  • 15,008 bytes
  • 13,120 bytes
  • 13,760 bytes

The unsafe files using this name are associated with the malware group Rootkit.Gen.

 These files have no vendor, product or version information specified in the file header.

TASKMON.SYS has been seen to perform the following behavior(s):

  • The Process is packed and/or encrypted using a software packing process

TASKMON.SYS has been the subject of the following behavior(s):

  • Created as a new Background Service on the machine
  • Loaded and Executed as a System Driver File
  • Created as a process on disk
  • Deleted as a process from disk

TASKMON.SYS can also use the following file names:

  • 21688213.SVD
  • 16940056.DAT
  • 79501701.SYS
  • 89637863.SYS
  • 39039082.DAT
  • 11738034.DAT
  • CSI1.TMP
  • 30254263.SYS
  • 02775386.SAM
  • TASKMON.SYS.BAK
  • TASKMON.EXE
  • DBGVIEW.EXE
  • 62423166.DTA
  • 00213262.SYS
  • 06343984.EXE
  • 56136633.DAT
  • 67112105.SAM