The Trojan in your vault is harmless, but a lot of times you aren't seeing everything, you may delete it and it will be back when you restart your computer so you delete it again, then it comes back when your restart after that. So the best advice I can give you is to follow the link I provided - follow the 15 steps, then post the 3 requested logs as attachments so that somebody can check to make sure you are clean. You should go ahead and delete the Trojan from quarantine then proceed to doing the 15 steps