A.HKEY_CURRENT_USER\SOFTWAE\Microsoft\windows\shell
B.HKEY_CURRENT_USER\SOFTWAE\Microsoft\windowsNT\CurrentVersion\Winlogon
C.HKEY_CURRENT_USER\SOFTWAE\Microsoft\windows\CurrentVersion\RUN
D.HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks