infected files need help

many of my directories are unable to access, and some files appeard recently.
i don't know where is it from

- [URL="http://virusinfo.info/showthread.php?t=9207"]Execute following script[/URL] in Manual disinfection
[CODE]begin
QuarantineFile('C:\Program Files\Winstep\WsxService','');
end.[/CODE]

Then [URL="http://virusinfo.info/showthread.php?t=9207"]execute following script[/URL] in Manual disinfection
[code]begin
CreateQurantineArchive('C:\quarantine.zip');
end.
[/code]and upload the C:\quarantine.zip over the link [COLOR="Red"][B]Upload quarantined files[/B][/COLOR] on the top of this page.