HJT will tell you whats running at the time of the scan.....
Download a copy of HijackThis and save it to your desktop in a folder. Do a scan and save the HijackThis logfile. Do not remove anything. Post your log file here. Link to HijackThis:
http://castlecops.com/zx/Merijn/hijackthis.zip
Lets see what nasties lurk within your vista installation.
Regards!