For example, 10 GB of data is packed into a 400 KB archive.Ĭreated in 2016, TrickBot is still one of the most prevalent banking Trojans. They may also contain a heavyweight object that consists of identical, repeating data that can be packed into a small archive. They may use malcrafted headers or corrupt data that lead to a malfunction of an archiver or an unpacking algorithm. Malicious archives use different techniques to achieve their goal. ArcBomb archives either freeze or seriously slow the system. These Trojans represent special archives that are designed to behave abnormally when users try to unpack them. These are the types of Trojans that you need to be aware of: 1. Trojans have evolved into different complex forms like backdoors (that can manage distant computers) and downloaders (that can download and install other malicious programs. However, the main task of such software is to perform one or more of these malicious actions: Malicious code typically penetrates the system under the guise of a useful utility or tool. A Trojan is malicious software that usually needs to be launched by the user or another malicious program. The Trojan’s basic mission is to mislead people of its real goal. Computer Trojans received their name from the infamous mythological horse.
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