Worms/Viruses/Trojans    
DOS-FFIRC Mon, Feb 01 2010
Severity 
Aliases: 
Infects: [Windows Me, Windows XP]
Description:
Detection was added to cover for democode of a Mozilla Firefox browser XPS IRC attack.

Impact:
Not Available.

Propagation:
Not Available.

For Further Information:
http://vil.nai.com/vil/content/v_255758.htm
Solution:
Disable System Restore (Windows Me/XP).
Update the virus definitions of your antivirus product.
Run a full system scan.