A: Commercial Area, Upper Mall Scheme, Lahore, Punjab, Pakistan
The Brain boot sector virus (aka Pakistani flu), considered the first IBM PC compatible virus, and the program responsible for the first IBM PC compatible virus epidemic, was released in January 1986. Also known as Lahore, Pakistani, Pakistani Brain, the virus was created in Lahore, Pakistan by 19 year old Pakistani programmer, Basit Farooq Alvi, and his brother, Amjad Farooq Alvi. The virus which was not destructive, was spread by floppy disk.
In 2011 computer security expert Mikko Hyppönen produced and uploaded to YouTube a documentary interview of the Alvi brothers in Lahore, Pakistan