W32.Randex.F

W32.Randex.F is a network-aware worm that copies itself to the following locations:

• \Admin$\system32
• \c$\winnt\system32

using one of the following file names:

• NETFD32.EXE
• NETD32.EXE
• ranger.exe

The worm will receive instructions from an IRC channel on a specific IRC server. One such command will trigger the worm to spread.

Protection

• Initial Rapid Release version August 14, 2003
• Latest Rapid Release version March 3, 2008 revision 035
• Initial Daily Certified version August 14, 2003
• Latest Daily Certified version June 17, 2008 revision 017
• Initial Weekly Certified release date August 20, 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: 50 - 999
• Number of Sites: More than 10
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Medium