W32.Darker.Worm

W32.Darker.Worm is a worm that attempts to spread through file-sharing networks and can contact an IRC server, waiting for commands from a hacker.

The worm can also spread via email if it receives a specific command from a hacker.

The email has the following characteristics:

Subject: Microsoft Windows OutLook Express urgent updates
Attachment: SVCHOST.EXE

W32.Darker.Worm is written in Borland Delphi and is packed with UPX.

Protection

• Initial Rapid Release version November 5, 2003
• Latest Rapid Release version October 29, 2009 revision 053
• Initial Daily Certified version November 5, 2003
• Latest Daily Certified version October 30, 2009 revision 002
• Initial Weekly Certified release date November 5, 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