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W32.Mytob.PI@mm

Risk Level 2: Low

Discovered:
April 19, 2006
Updated:
February 13, 2007 12:52:51 PM
Also Known As:
W32/Mytob-HI [Sophos]
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Mytob.PI@mm is a mass-mailing worm that uses its own SMTP engine to send an email to addresses that it gathers from the compromised computer. The worm also opens a back door and lowers security settings.

Note: Virus definitions dated prior to April 19th, 2006 may detect this threat as W32.Mytob@mm.

Antivirus Protection Dates

  • Initial Rapid Release version April 19, 2006
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version April 19, 2006
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date April 19, 2006
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

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

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: High
Writeup By: John Canavan

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