How to delete Trojan.FakeAV in one minute

Trojan.FakeAV is a type of trojan that displays fake error messages, to delete it do(on window xp):

1.click start

2.type regdit

3.delete:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"WinAVX" = "%System%\WinAvXX.exe"


HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"WinAVX" = "%System%\WinAvXX.exe"

WARNING!!! DO NOT DELETE ANY OTHER REGISTRY KEYS !!!!