as a trojan, etc. Here is a list of free online scanners that you can go for a second opinion. I would try more than one.

Panda Active scan - http://www.pandasoftware.com/products/activescan.htm

A-Squared Anti-Trojan -- http://www.windowsecurity.com/trojanscan/
BitDefender -- http://www.bitdefender.com/scan8/ie.html
Ewido Anti-spyware -- http://www.ewido.net/en/onlinescan/
F-Secure -- http://support.f-secure.com/enu/home/ols.shtml
House Call (Trend Micro Anti-Virus) -- http://housecall.trendmicro.com/housecall/start_corp.asp
Kaspersky -- http://usa.kaspersky.com/services/free-virus-scanner.php