Are you using these basic programs?
aČ freeAd-AwareSpybot S&DSpywareBlasterSpywareGuardIf not, you should really consider it. These programs, updated and
used regularly, will do a lot to keep your computer clean of spyware, trojans,
keyloggers, browser hijackers, etc...
Download them,
update them, and then run them.
Please read
this tutorial on Spybot S&D before using it. Spybot can do serious damage if not used properly.
Run these online virus scanners:
http://www.pandasoftware.com/activescan/http://housecall.trendmicro.com/Make a note of what each one finds, and fixes, then post back here with the results.
If that doesn't work, then:
Download the latest version of HijackThis (HJT), from
here.
Put HijackThis in a Permanent folder:
Click My Computer / C: / File / New / Folder / name the folder; HijackThis
Put
HijackThis.exe, in this folder.
This is a mandatory step, for the backup and restore functions, of HijackThis, to be able to work.
Read the pinned post in the HJT forum,
hereFollow the directions,
EXACTLY!
This is important!Then, run a log, and post it in the HJT forum
here.
Do not fix anything, yet.
A member, of the HJT Team, will help you out.
Please, be patient, these people are volunteers. They will help you out, as soon as possible.