I too have received an Avast notification that it had detected the js:Redirector-BOS [Trj] Tojan Horse. I think I caught it from Bittorrent which I have now deleted. It’s a bit scary, as I get very few infections, thanks to Avast.

Should I follow the same instructions as given above? I am running Windows XP, Except I do not understand what MBAM and OTL stand for.