theres also a-squared free, update before you scan
a-squared Free - Free of charge Anti-Virus, Anti-Trojan, Anti-Spyware, Anti-Dialer and Anti-Worm Software - Freeware!
also malware destroyer (free)
http://100-downloads.com/more.php?c=3
if the virus string says
recycler in it, it's in the system restore files, the only way to get rid if it is to turn off system restore & turn it back on again