The First Virus To see the more details of virus which was produced at the world-wide begining, we should go back to the 1970's. At that time, Program called, "Creeper" it was the firstly reported virus that remained a message to tell that it was operating after it accessed to Alphanet, network system of American department of Defense.
However the virus of IBM computer currently we use was produced much later than "Creeper".

The first IBM virus is a brain virus made by two Pakistani brothers to appal people who commit illegal reproduction.

This virus didn't have any destruction symptom but the spread function. It had the symptom that changed the name of infected floppy disk to '(c) Brain". After this event, people started to have much interest in viruses and various viruses have started to be produced.

Hauri  ¶ 7:29 AM