Coffeeshop

aka Coffee / Java

Coffeeshop virus ASCII coffee cup prompt

discovered: 1992
origin: unknown
reported by: various
author: unknown
family: Coffee
size: 1280 bytes
platform: DOS
vector: COM files
payload: prank, visual
trigger: random execution

Payload

Pops up a small ASCII coffee cup and refuses to dismiss the dialog until the user types COFFEE.

~ writeup coming soon ~

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Sources

Internet Archive Malware Museum: Coffeeshop :: Mikko Hypponen, Internet Archive Malware Museum

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