A zero fill should be more than good enough to ensure a virus is gone. Otherwise just find something that will trigger a Secure Erase instruction to your controller.
Now, anyone able to answer my question - path, registry or where?
For something like "Antimalware 2010", all I can do is wish you good luck if you are hell bent on fixing rather than starting afresh.
Read up on "Innovative Marketing Ukraine" to give you an idea why !
So... best of luck !