Fake AV took over

here's the issue: a fake AV popped up on my computer, and it's not allowing me to restore my system, or even open task manager!
and aid would be GREATLY appreciated
I think it's a netsky virus, but Im not sure

Hello,
disable system restore.
- [URL="http://virusinfo.info/showthread.php?t=9207"]Execute following script[/URL] in Manual disinfection
[CODE]begin
QuarantineFile('C:\Program Files\Registry Mighty\RegistryMighty.exe','');
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.