A.In the root directory
B.In %systemroot% /win NT
C.In %configroot%/
D.In %systemroot%/config
A.HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\ICM
B.HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
C.HKEY_CURRENT_SUER\Software\Microsoft\windows
D.HKEY_CURRENT_USER\Software\Microsoft\Cydoor