What is the most typical type of virus?

In computer system security, an infection is a kind of harmful code or program that self-replicates by placing its code into other programs. As an outcome, contaminated computers can spread out the infection to other computer systems.  additional hints Infections are often spread out by e-mail attachments, social media links, and online advertisements. The most common kind of computer virus is theTrojan horse, which tricks users into clicking a destructive link or email attachment.