Worms/Viruses/Trojans    
W32/Routrobot.worm Wed, Feb 03 2010
Severity 
Aliases: ,Trojan.Win32.Buzus.dbfm (Kaspersky),Worm:W32/Prolaco.O (F-Secure),Worm:Win32/Prolaco.gen!C (Microsoft),Worm.Win32.Prolaco.gen (Sunbelt)
Infects: [Windows Me, Windows XP]
Description:
W32/Routrobot.worm is a worm that spreads via e-mail, removable drives and Peer-to-Peer file sharing networks. This worm also lowers security settings of the compromised system.

Impact:
It lowers security settings of the compromised system.

Propagation:
It spreads via e-mail, removable drives and Peer-to-Peer file sharing networks.

For Further Information:
http://vil.nai.com/vil/content/v_256356.htm
Solution:
Disable System Restore (Windows Me/XP).
Update the virus definitions of your antivirus product.
Run a full system scan.
Delete any values added to the registry.