Brain
aka Pakistani Brain / Lahore / Ashar / Brain-A
- discovered
- 1986
- origin
- Lahore, Pakistan
- reported by
- various
- family
- Brain
- size
- 7168 bytes
- platform
- DOS boot sector
- vector
- 5.25 inch floppy boot sectors
- payload
- boot sector, prank
- trigger
- boot from infected disk
Payload
Replaces the volume label of infected floppies with the string Brain and quietly relocates the original boot sector.
~ writeup coming soon ~
Related specimens
Sources
- Internet Archive Malware Museum: Brain :: Mikko Hypponen, Internet Archive Malware Museum
- F-Secure Brain writeup :: F-Secure historical virus archive, Brain entry
last updated: 2026-04-12 :: curated by the_curator