W32.Mytob@mm

W32.Mytob.@mm is a mass-mailing worm that uses it own SMTP engine to send an email to addresses that it gathers from the Windows Address Book on the compromised computer. The worm also has the ability to open a back door and spread through the network by exploiting vulnerabilities.

Protection

• Initial Rapid Release version February 26, 2005
• Latest Rapid Release version February 7, 2010 revision 034
• Initial Daily Certified version February 26, 2005 revision 002
• Latest Daily Certified version February 8, 2010 revision 002
• Initial Weekly Certified release date February 27, 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: 0 - 49
• Number of Sites: 0 - 2
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: High