I can't get it off my pc

see here Willo

http://www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=VirTool:Win32/Obfuscator

and then here for ways to remove it

http://answers.microsoft.com/en-us/...row/79da5d9b-de3f-436c-a6ac-7bf5fb26083c

thank you