Family
Trojan-Downloader
Behavior
C&C
Protocol
HTTP

Class: Trojan-Downloader

Programs classified as Trojan-Downloader download and install new versions of malicious programs, including Trojans and AdWare, on victim computers. Once downloaded from the Internet, the programs are launched or included on a list of programs which will run automatically when the operating system boots up. Information about the names and locations of the programs which are downloaded are in the Trojan code, or are downloaded by the Trojan from an Internet resource (usually a web page). This type of malicious program is frequently used in the initial infection of visitors to websites which contain exploits.

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Description

This family includes Trojans that have the following characteristics: small size and limited number of malicious functions. The size of such programs does not exceed 3.5 kilobytes (KB). They are used to secretly download and install other malicious programs, usually Trojan-Bankers, on the user’s computer.

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