First recorded Virus - Brain

It was not developed by US or Europe guy, instead it was developed by brothers of Pakistani. It was released in 1986 with no intention to be virus (claimed by the brothers). However, it do cause havoc in software security world.

Nevertheless, it do triggers others to develop malware until today.... read the full story here.

But their virus was not as dangerous as Morris worm developed by Robert Morris Jr which become the first ever virus exploiting vulnerabilities and causing massive 'traffic-jam' on network.