Well, if your searches online show it to be the source, delete it. If you want to be cautious (rarely a fault), edit the name so that it no longer matches that in the registry and see if anything important is broken.
The villains who write this stuff are getting sneakier by the day. When my workstation got hit, SpySweeper, SpyBot, AdAware, MS and Symantec all failed to clean it all up. As I said above, I had to WATCH what was occuring and being started, then track it down my hand to kill it.