This is probably the most simple and productive batch "virus" there is.
It makes infinite folders named different numbers.
Step 1: Open Notepad
To open note pad goto start menu ,and type note then look for note pad. Notepad is a free program that comes on any windows computer it is a lot more powerful than most people think.
Step 2: Coding
Now here is where i say I'm not responsible for anything you do with this... This is for educational purposes only. Now this code is extremely easy. The code is:
Step 3: Final
That was over 2,000 files created. That is what it does.