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).
There are two major types of droppers, those that do not require user interaction which perform through the exploitation of a system by some vulnerability and those that 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.
Examples
- YAB: Yet Another Binder
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Last updated on Monday September 15, 2008 at 16:56:51 PDT (GMT -0700)
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