arrr. juho bet me...
Hey man this isnt a forum about virii.
But i might be able to help:
Try to end the System.exe process.
Then goto:
http://housecall.trendmicro.com/
Also download Trojan Remover and The Cleaner:
http://www.simplysup.com/
http://www.moosoft.com/
Scan with these also. There shareware but you can use them fully for 30 days.
Also remember to keep your windows updated.