Please install the following preventative programs before continuing.
The
MVPS HOSTS file is a file you can download and use to replace your regular hosts file. It prevents many sites from performing malicious actions by blocking the sites from ever being accessed.
Spyware Blaster is a powerful tool that prevents "drive-by" downloads and other unwanted installations. It also uses no system resources, run it once and you're all set.
Delete the following files\folders:
c:\windows\downloaded program files\cc.inf
c:\program files\GIB
Post a new Hijackthis log and let me know how the PC is running