mcdhu :
The following two Anti Virus web sites have information about this ...
McAfee say it's NOT a Trojan virus as such, but is Adware and is knows as
"Adware.IAGold"
Removal instructions are for the use of their anti virus software products, with plenty of info on the McAfee site that may be helpful.
mcafeesecurity.com
symantec.com
Good luck !

Coconutty