Come across this neat program that you might want to try out, it does a quick scan on startup, it helps in the removal of Malware - Trojan Horses, Worms, Adware, Spyware, for each identified Trojan Horse, Worm, or other malware it pops up an alert screen which shows the file location and name; it offers to remove the program's reference from the system files and allows you to rename the file to stop its activation.
Its free & fully functional for 30 days, may come in handy.
http://www.simplysup.com/tremover/download.html