Dropper
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This article is about the computer program. For the piece of glassware used to transfer fluids, see Pasteur pipette.
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).
[edit] Types
There are two major types of droppers. Some do not require user interaction which perform through the exploitation of a system by some vulnerability.
Others require user interaction by convincing the user that it is some legitimate or benign program. A dropper which installs a malware program to memory only is sometimes called an injector.
[edit] Examples
- YAB: Yet Another Binder
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