If they did find something and removal of such didn't cure the problem, please try a third tool from the link below.. It's free for 30 days and seems to be fixing a number of the redirect issues on these forums. No guarantees but it's worth a shot.:
Hitman Pro 3.5
Hope this helps.
Can anyone help. when searching with ie7 on any search engine it seems when you click a link after searching page is redirected to anything ie7 decides mostly advertising sites have avg anti virus have run malwarebytes and superanti spyware with no success have also run hijack this which produced a log which I am not sure what to delete or keep have tried uninstalling ie7 and reinstalling still with no success I am sure this is either a virus or malware but I cannot solve this very and I mean very frustrating problem please help (have windows xp service pack 3)