W32.HLLW.Darby

W32.HLLW.Darby is a worm that spreads through file-sharing networks, such as KaZaA and Morpheus, and may also attempt to spread through email and IRC.

When this worm is executed, it displays a message box that states either "The file this total or partially damaged, impossible to open the file," or "El archivo esta total o parcialmente danado, imposible abrir el archivo."

This threat is written in Visual Basic and is packed with UPX.

Protection

• Initial Rapid Release version September 2, 2003
• Latest Rapid Release version August 20, 2008 revision 017
• Initial Daily Certified version September 2, 2003
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date September 3, 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: Difficult

Damage

• Damage Level: Medium

Distribution

• Distribution Level: High