my laptop has been infected by a virus. the file's name is antivirus 2008 and located at my c drive, often it disguises as anti virus protection that i should install the software if i want my pc to be free of viruses..i suspect its trojan... i'd been trying to remove it but to no avail. im using karpesky internet security 7.0. pls help...is there any way that i can remove this virus?