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Antivirus software (abbreviated to AV software), also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses , hence the name.
Many antivirus products use "third-party antivirus engine". This means that the antivirus engine is made by another producer; however, the malware signature and/or other parts of the product may (or may not) be done from the owner of the product itself.
Multiscanning is running multiple anti-malware or antivirus engines concurrently. Traditionally, only a single engine can actively scan a system at a given time. Using multiple engines simultaneously can result in conflicts that lead to system freezes and application failures.
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An antivirus software can be deployed on a device to verify that it is not infected by a known threat, usually by signature detection software that detects malicious executable files. A mobile antivirus product would scan files and compare them against a database of known mobile malware code signatures.
Malicious software comes in many forms, such as viruses, Trojan horses, spyware, and worms. Malware, a portmanteau of malicious software, is any software used to disrupt computer operation, gather sensitive information, or gain access to private computer systems. Malware is defined by its malicious intent, acting against the requirements of the ...