Worms/Viruses/Trojans    
Trojan.Komplexad!gen Wed, Jul 21 2010
Severity 
Aliases: 
Infects: [Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP]
Description:
Trojan.Komplexad!gen is a heuristic detection for a Trojan horse that downloads, decrypts, and executes files from a remote location.

Impact:
It downloads, decrypts, and executes files from a remote location.

Propagation:
Not Available.

For Further Information:
http://www.symantec.com/norton/security_response/writeup.jsp?docid=2010-072114-4649-99
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.