Multipartite virus
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A multipartite virus is a computer virus that infects and spreads in multiple ways. The term was coined to describe the first viruses that included DOS executable files and PC BIOS boot sector virus code, where both parts are viral themselves. For a complete cleanup, all parts of the virus must be removed. The term was coined, as prior to the discovery of the first of these, viruses were categorized as either file infectors or boot infectors. Because of the multiple vectors for the spread of infection, these viruses could spread faster than a boot or file infector alone.
Ghostball was the first multipartite virus, discovered by Fridrik Skulason in October 1989.
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