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  3. W32.Disttrack


Risk Level 2: Low

August 16, 2012
August 22, 2012 2:07:45 AM
Also Known As:
Infection Length:
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Disttrack is a worm that spreads through network shares. It also drops malicious files and overwrites existing files.

Antivirus Protection Dates

  • Initial Rapid Release version August 16, 2012 revision 001
  • Latest Rapid Release version February 19, 2013 revision 016
  • Initial Daily Certified version August 16, 2012 revision 002
  • Latest Daily Certified version September 12, 2012 revision 021
  • Initial Weekly Certified release date August 22, 2012
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: High
  • Payload: Drops malicious files.
  • Deletes Files: Overwrites existing files.


  • Distribution Level: Low
  • Shared Drives: Spreads through network shares.
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Symantec Security Response

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