You cant delete wit out anti virus.u can only restore t for decreasing bt nt deleting.

Here' how to delete simple virus manually

1) go to run by pressing winkey+R type cmd then hit enter
2) type dir/ah then hit enter to see the file name of a virus with the extension name .inf .exe .pif .js .vbs .bat
3) after that type attrib -r -a -s -h *.* then hit enter
4) then delete the filename you suspected a virus
5) type del /f /a (virus name) then hit enter
6) if the virus is a folder then type rd /s /q (virusname) then hit enter
7) that's it enjoy removing virus manually :)

Interesting