[aka PABLO]

ok bar a re-format which you should do follow these steps

any file you dL off the net scan through here--> VIRUSTOTAL - Free Online Virus and Malware Scan

run this--> HijackThis Logfileauswertung
then run the log through this--> HijackThis Logfileauswertung

then run this--> http://www.bitdefender.com/scan8/
this--> Trend Micro HouseCall - Start
& this--> Windows Live OneCare safety scanner: Free online tool for PC health and safety

get all the anti spyware stuff scan--> 100-downloads.com | Top-100 downloads of free software & freeware for Windows XP & Vista

follow this tutorial of surfing the net--> Simple and easy ways to keep your computer safe and secure on the Internet

look though this--> Simple and easy ways to keep your computer safe and secure on the Internet

if your not cured do a re-format.