I was bored, I made this for lol
I don't know why, According to virustotal Any Security Vaccine didn't detect this..
Maybe It could be not danger so much lol
Virustotal
This virus only made for lol and learn
It change computer's password(But, For test it save password at "C:\Windows\Help\pass.txt")
And guess three digit.
If fail to guess, then delete mbr with diskpart and delete some files of system32.
The master code is 010203.
It delete mbr, do not attempt in your computer! Only see