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  3. W32.Dozer


Risk Level 2: Low

July 8, 2009
July 9, 2009 9:44:13 AM
Also Known As:
W32/Mydoom.cf [McAfee], MyDoom.HN [Panda Software]
Trojan, Worm
Infection Length:
374,651 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
W32.Dozer is a worm that drops other threats onto the compromised computer.

For more information, please read the following:
Born on the 4th of July

Antivirus Protection Dates

  • Initial Rapid Release version July 8, 2009 revision 023
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version July 8, 2009 revision 034
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date July 15, 2009
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Medium
  • Number of Infections: 50 - 999
  • Number of Sites: 10+
  • Geographical Distribution: Medium
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: Low
  • Payload: Drops additional malware on to the compromised computer.


  • Distribution Level: Medium
  • Subject of Email: Varies.
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: Mario Ballano Barcena and Liam O Murchu

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