W32.Mytob.CY@mm

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.

Protection

• Initial Rapid Release version June 2, 2005
• Latest Rapid Release version April 27, 2009 revision 065
• Initial Daily Certified version June 2, 2005
• Latest Daily Certified version April 28, 2009 revision 003
• Initial Weekly Certified release date June 2, 2005

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

• Wild Level: Medium
• 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