well, I have a bit of a problem, it seems my g/f's computer has either a trojan or a back door on it and I have no idea how to get rid of it. I found out because her internet provider sent her an e-mail saying her computer was sending lots of spam e-mails I believe. Anyway, I tried using smackit and AVG to get rid of it but neither worked, at least I don't think they did. AVG did get rid of a virus but now about every 5 seconds an error box pops up saying that AVG had detected trojan BackDoor.Afcore.AI in file Windows\system32:bnweswh.dll. Anyway, it is a huge pain in the ass and I need to get rid of it or her internet provider is going to shut off her internet. Any help would be extremely grateful.

ps. I did a search for something like this but couldn't find anything, sorry if this has been covered somewhere else before