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Richard Skrenta writes the first PC virus code, which is 400 lines long and disguised as an Apple boot program called "Elk Cloner".

Historical image related to Richard Skrenta writes the first PC virus code, which is 400 lines long and disguised as an Apple boot program called "Elk Cloner". from January 30, 1982

Rich Skrenta

American computer programmer (born 1967)

Richard J. Skrenta Jr. is an American computer programmer and Silicon Valley entrepreneur who created the web search engine blekko.
Source: Wikipedia (CC BY-SA)

Computer virus

Computer program that modifies other programs to replicate itself and spread

A computer virus is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code into those programs. If this replication succeeds, the affected areas are then said to be "infected" with a computer virus, a metaphor…
Source: Wikipedia (CC BY-SA)

Apple Inc.

American multinational technology company

Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, software, and services. Founded in 1976 as Apple Computer Company by Steve Jobs, Steve Wozniak and…
Source: Wikipedia (CC BY-SA)

Elk Cloner

Microcomputer virus

Elk Cloner is one of the first known microcomputer viruses that spread "in the wild", i.e., outside the computer system or laboratory in which it was written. It attached itself to the Apple II operating system and spread by floppy disk. It was written around 1982 by programmer…
Source: Wikipedia (CC BY-SA)