1. /
  2. Security Response/
  3. W32.Mytob.MC@mm

W32.Mytob.MC@mm

Risk Level 2: Low

Discovered:
November 22, 2005
Updated:
February 13, 2007 12:46:45 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003

W32.Mytob.MC@mm is a mass-mailing worm that opens a back door and lowers security settings on the compromised computer.



November 22, 2005: Added a link to removal tool.

Antivirus Protection Dates

  • Initial Rapid Release version November 22, 2005
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version November 22, 2005
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date November 22, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 50 - 999
  • Number of Sites: More than 10
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: High
Writeup By: Mark McGuill

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report, Volume 17
Symantec DeepSight Screensaver