Warning: Never use it on your own computer. If Program accidentally get activated on your system, You can't repair it again. In this case you have to reinstall your window again.!!!!
Steps to create this program or virus.
Step 1: Open NOTEPAD and type this command :-
Step 2: Now save as this file and give any name you want with extension .exe and save as file type (all files).
Note: Actually it's a batch file program. But most of the people runs .exe files without thinking anything.. So I am using .exe extension instead of .bat