Before attempting to remove malware you must switch off System Restore as back up files will be hiding in there, and it will just restore itself. Go to Start - programs - accessories - system tools - system restore.
Run Avast and Ewido in Safe Mode. To get into Safe Mode repeatedly press the F8 key after the bios screen loads but before Windows loads. You'll know if you made it because the screen will be at 800 x 600 and your pc will be slow.
Then beef up your security. Its easier to prevent malware getting on to your sytem in the first place rather than trying to remove it.
The Windows firewall doesn't stop malware on your pc from dialling out. Either of these firewalls are free for personal use and stop unwanted incoming and outgoing traffic. You choose which programs are allowed to access the internet. They are both fairly easy to use and updated regularly.
http://www.zonelabs.com Zone Alarm firewall
http://www.kerio.com Kerio firewall
Shields Up security site, check your firewall works
https://www.grc.com
http://www.mozilla.com/ Firefox web browser
http://www.opera.com/ Opera web browser
Instal both these web browsers, turn off javascript on one and use that browser for vising unknown websites. They don't support Active X so thats one less way for problems to get on your pc.
Winpatrol is a handy utility that tracks cookies on your pc and stops unwanted changes to your startup folder.
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