Dropper (malware)

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This article is about the computer program. For the piece of glassware used to transfer fluids, see Pasteur pipette. For the slang for hired killer, see hitman.

A dropper is a program (malware component) that has been designed to "install" some sort of malware (virus, backdoor, etc.) to a target system. The malware code can be contained within the dropper (single-stage) in such a way as to avoid detection by virus scanners or the dropper may download the malware to the target machine once activated (two stage).[not in citation given]