W32.HLLW.Warpigs

W32.HLLW.Warpigs is a worm that contains backdoor Trojan functionality. It attempts to copy itself to computers that have weak administrator passwords. The existence of the Discworld.exe file is an indication of a possible infection.

The backdoor functionality is performed by connecting to a specific mIRC server and joining a specific channel to receive instructions. The default ports are 6666 and 6667.

Protection

• Initial Rapid Release version July 10, 2003
• Latest Rapid Release version August 2, 2008 revision 020
• Initial Daily Certified version July 10, 2003
• Latest Daily Certified version January 20, 2009 revision 048
• 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: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Medium