W32.Gaobot.SN

W32.Gaobot.SN is a worm that attempts to spread through network shares that have weak passwords. It allows attackers to access an infected computer using a predetermined IRC channel.

W32.Gaobot.SN also exploits the backdoor function of Mydoom variants, by copying itself to a computer that is infected by Mydoom. Then, it executes that particular copy.

Protection

• Initial Rapid Release version March 25, 2004
• Latest Rapid Release version August 20, 2008 revision 017
• Initial Daily Certified version March 25, 2004
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date March 26, 2004

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: 3 - 9
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Medium