the above mention trojan is coming again and again even after removed by AVG. i uninstalled messenger plus. somebody told to do following thing
You can remove any virus from System Volume Information, by shutting down System Restore, restarting your computer and then start System Restore Again.
When you shutdown System Restore, all Restore Points are deleted (including the virus(ses)). When you restart System Restore, it automaticly makes a new (and clean) Restore-point.