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A virus causes infected files to act like a virus in turn, spreading the code further across your device.

Viruses often present as small programs, designed to infect other files and programs on the computer by injecting their code. Malware refers to malicious software, such as apps which masquerade as legitimate but carry out hostile tasks such as stealing your data.

In this article, the terms ‘malware’ and ‘virus’ are used, although they are different entities. While malware on Macs is relatively uncommon, the number of threats to macOS are on the rise – which makes it important to understand how to check for malware on Macs and how to remove malware from Macs. If your computer has been infected, then your personal information and potentially your identity are at risk. It can be alarming to discover malware on your Mac.