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At their worst, viruses can corrupt or delete data, use the userвЂ™s email to spread, or erase everything on a hard disk. Malware viruses piggyback on existing programs and can only be activated when a user opens the program. Virus Malware вЂ“ Programs that copy themselves throughout a computer or network. вЂњTrojanвЂќ alludes to the mythological story of Greek soldiers hidden inside a wooden horse that was given to the enemy city of Troy. Unlike viruses and worms, Trojans do not replicate or reproduce through infection. Once activated, malware Trojans will conduct whatever action they have been programmed to carry out. Trojans Malware вЂ“ Malware disguised in what appears to be legitimate software. The term includes botnets, adware, backdoor behavior, keyloggers, data theft and net-worms.

Spyware вЂ“ Malware that collects information about the usage of the infected computer and communicates it back to the attacker. Rootkits vary and hide themselves in the operating system. Rootkits вЂ“ Programs that provide privileged (root-level) access to a computer. They are difficult to detect, as they donвЂ™t typically show up in lists of running programs or tasks, and their actions are often mistaken for the actions of legitimate programs. RATs enable administrative control, allowing an attacker to do almost anything on an infected computer. These tools were originally built for legitimate use, but are now used by threat actors.

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Remote Administration Tools (RATs) вЂ“ Software that allows a remote operator to control a system. Victims of a ransomware attack may have their operations severely degraded or shut down entirely. Ransomware вЂ“ Is a criminal business model that uses malicious software to hold valuable files, data or information for ransom. The alteration of the surface appearance of the software subverts detection via traditional virus signatures.

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Polymorphic malware вЂ“ Any of the above types of malware with the capacity to вЂњmorphвЂќ regularly, altering the appearance of the code while retaining the algorithm within. It typically involves injecting malicious code or malware-laden advertisements into legitimate online advertising networks and webpages. Malvertising вЂ“ Malvertising is a portmanteau of вЂњmalware + advertisingвЂќ describing the practice of online advertising to spread malware.

HARD DRIVE SAFETY DELETE VIRUS INSTALL

Botnets are often the armies behind today's distributed denial-of-service (DDoS) attacks.Д¬ryptojacking вЂ“ is malicious cryptomining (the process of using computing power to verify transactions on a blockchain network and earning cryptocurrency for providing that service) that happens when cybercriminals hack into both business and personal computers, laptops, and mobile devices to install software. Botnets are highly versatile and adaptable, able to maintain resilience through redundant servers and by using infected computers to relay traffic. Malware examples, malware attack definitions and methods for spreading malware include:ДЄdware вЂ“ While some forms of adware may be considered legitimate, others make unauthorized access to computer systems and greatly disrupt users.Д«otnets вЂ“ Short for вЂњrobot network,вЂќ these are networks of infected computers under the control of single attacking parties using command-and-control servers.

Malware is an inclusive term for all types of malicious software.

Investigate the infected userвЂ™s local network.

Send spam from the infected machine to unsuspecting targets.

Provide remote control for an attacker to use an infected machine.

Though varied in type and capabilities, malware usually has one of the following objectives: And because malware comes in so many variants, there are numerous methods to infect computer systems.

Malware (short for вЂњmalicious softwareвЂќ) is a file or code, typically delivered over a network, that infects, explores, steals or conducts virtually any behavior an attacker wants. As software designed to interfere with a computer's normal functioning, malware is a blanket term for viruses, trojans, and other destructive computer programs threat actors use to infect systems and networks in order to gain access to sensitive information.

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