I use Firefox on Windows XP. Last night I stupidly downloaded a downloading utility for the filefactory website and it evidently contained a virus or something that redirects any new firefox tabs that I open to websearch.helpmefindyour.info instead of my homepage. A friend, who is a computer professional and who has been very successful in helping me fix computer issues in the past tried helping me remove it and he had me first do a system restore to a date before the infection, which didn't help. He then had me run kaspersky's tdsskiller and virus remover tool and neither found anything. Ad Aware found 6 items, which I let it fix, but it didn't resolve the problem. My friend then had me run combofix and again the problem was still there. Then my friend told me he wasn't sure what to do and so here I am.
I opened Internet Explorer it doesn't seem to have been infected.
I would greatly appreciate some assistance.