A piece of software that allows control over a computer system after it has been exploited A program that allows all files to bundle together into a single executable file via compression to bypass security software detection

A program that conceals its code and intended purpose via various techniques, and thus, makes it hard for security mechanisms to detect or remove it A program that injects its code into other vulnerable running processes and changes how they execute to hide or prevent its removal A malicious code that breaches the system security via software vulnerabilities to access information or install malware A type of Trojan that covertly installs other malware files on to the system Usually, attackers install downloader software when they first gain access to a system A type of Trojan that downloads other malware from the Internet on to the PC. Software that protects malware from undergoing reverse engineering or analysis, thus making the task of the security mechanism harder in its detection The components of a malware software depend on the requirements of the malware author who designs it for a specific target to perform intended tasks

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