Hey I know this is an old thread but having installed my Gigagbyte board drivers again for an SSD install founf this wretched "thing" back.
Another way of doing this is
Software > burrow down to DeviceVM Inc.
> open it
> delete all entries listed
This leaves DeviceVM Inc. in the reg but no irritateware
To make absolutely sure you can also check the Programs and Features.
I went to this length as Zynga was not in my Control Panel > Programs and Features