W32.Moubot

W32.Moubot is a network-aware worm that copies itself as the following files:

• C$\WINNT\system32\fix.exe
• IPC$\WINNT\system32\fix.exe
• ADMIN$\WINNT\system32\fix.exe

W32.Moubot also has a backdoor functionality that allows its creator to control the compromised computer by using Internet Relay Chat (IRC).

This threat is compressed with UPX.

Protection

• Initial Rapid Release version July 10, 2003
• Latest Rapid Release version February 19, 2009 revision 009
• Initial Daily Certified version July 10, 2003
• Latest Daily Certified version February 19, 2009 revision 020
• Initial Weekly Certified release date July 16, 2003

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: Easy

Damage

• Damage Level: Low

Distribution

• Distribution Level: Medium