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


Risk Level 2: Low

June 1, 2005
February 13, 2007 12:39:23 PM
Also Known As:
Win32.Mytob.DR [Computer Assoc, Net-Worm.Win32.Mytob.bd [Kaspe, W32/Mytob.bl@MM [McAfee], W32/Mytob-CZ [Sophos], WORM_MYTOB.BO [Trend Micro]
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Mytob.CY@mm is a mass-mailing worm that has back door capabilities and uses its own SMTP engine to send an email to addresses that it gathers from the compromised computer.

Note: Virus definitions version 70601x, extended version 6/1/2005 rev. 18 detect this threat as W32.Mytob.CE@mm.

Antivirus Protection Dates

  • Initial Rapid Release version June 2, 2005
  • Latest Rapid Release version March 20, 2012 revision 007
  • Initial Daily Certified version June 2, 2005
  • Latest Daily Certified version March 20, 2012 revision 018
  • Initial Weekly Certified release date June 2, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report