de virusing for a freind

hi ppl got my freinds laptop here just ran geek squad disk through it after couldnt remove a securty software virus it found 107 traces and removed them except for the 1 virus i wanted to remove lol now in safe mode runing malbytes anti malware any other sugestions ????
Answer #1
If the virus really is that bad, it may be an option to just format your drive and re install your OS.
Answer #2
i think its lookin that way as it just keeps comeing back worked out its a trojan droper called 408sumin.exe so yeh gona get hirens boot cd out save all photoes music ect factory reset lol
Answer #3
If you get Hirens, you may actually just kill disk your hard drive.
(Don’t worry, it doesn’t actually kill, it just.. erases your drive 100%)
Answer #4
If you want to erase everything use DBAN