Yankee Doodle

aka Five O'Clock / 1961 / 2885

Yankee Doodle virus dump
discovered
1989-09
origin
Sofia, Bulgaria
reported by
Vesselin Bontchev
family
Yankee
size
2885 bytes
platform
DOS
vector
COM and EXE files
payload
audio, prank
trigger
5:00 pm system clock

Payload

At five o'clock in the afternoon, the virus plays a recognizable rendition of Yankee Doodle through the PC speaker.

~ writeup coming soon ~

Related specimens

Sources

last updated: 2026-04-12 :: curated by the_curator