dropper(redirected from eyedropper)
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1. a small tube having a rubber bulb at one end for drawing up and dispensing drops of liquid
2. Angling a short length of monofilament by which a fly is attached to the main trace or leader above the tail fly
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Trojan dropperSoftware that injects Trojans, viruses, worms and other malware into a computer. When run, it typically decompresses the malware components hidden within the dropper file and executes them, sometimes without saving them on disk to avoid detection. The Trojan dropper may appear to users as legitimate software that they want to install. To avoid detection, droppers may also include images and other benign data in their package. "Joiner" programs are typically used to create Trojan droppers with many files. See Trojan and wiretap Trojan.
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