Give us some more info....operating system, anti-virus program, firewall, browser...Then,
Do all of the steps exactly as listed here READ ME Before Posting A Request For Assistance!
We need to see logs from at least Kaspersky online scanner...it will not fix anything but WILL produce a log for us to look at. We also need to see the log from AVG Anti-spy but be sure to tell it to FIX anything found and lastly we will need to see a HiJackThis log done AFTER you have completed the other steps.