Backdoor.Tidserv!inf & Packed.Generic.200 Help?

Anyway, I need help removing these two viruses. I have System restore turned off, I had ran a full system scan and Symantec said it had removed the viruses. But when I turned off my computer, they seem to return back when my I scanned it. According to my virus scanner it says they're located in my TEMP files by the name of TDSS86cc.tmp and APQ4.tmp

 

Can anyone help me remove these manually, since I'm kind of new at this.