System Security 2009 - has it gone?

Hello,
I had, or may still have, the System Security 2009 virus and that is my question, do I still have it or not?

I got the full works the warning screen about your wife, boss, etc. Vista could not find it. I e-mailed that I had lost my password and asked for a reminder. SS 2009 e-mailed a password which I picked up on another computer, and put it in. Then Security System 2009 appeared on my desktop. Two days later it is no longer there and no warning screen. Does anyone know what has happened to it, is it still there? The computer appears to be working normally.

Has anyone else encountered this?

Cheers,