Computer fucked over by a virus!!!!!!!!!

trojan horse virus =(((( Its gonna be a major set back.. I am trying to do it myself before having to pay for geek squad... it may take a week or two for this virus to go away. It allwos the hacker to view my screen and take my credit card numbers, personal messages, photos everything... possibly done on the computer since day one I have had it.. It sucks but it happens.. I was not careful and some how picked up this fucking trojan horse virus.. AKA the worst virus... LMAo.. so yeah sorry guys... I know server waas already for 24/7 and shit but yeah it happens.. I'll do my best to get around this virus.. ATM I am using a Apple Stores computer LOL.. to get you guys this message.. umm yeah

damn do you know how you got it??