A computer virus generally contains three parts: the infection mechanism, which finds and infects new files, the payload, which is the malicious code to execute, and the trigger, which …

A computer virus is a type of malware that spreads between computers and damages data and software. Explore the different types of computer viruses here.

From macro virus to trojan horse, there are many different types of computer virus out there. Read our list of the most common ones & how to avoid them now.

Computer viruses spread across systems, infecting programs & files with malicious code. Learn to scan for viruses (and try our free virus scanner), remove viruses, and protect your computer …

Sep 28, 2025 · Computer viruses come in various types, classified by their origin, how they spread, where they store themselves, the files they affect, and their destructive capabilities.

Jul 23, 2025 · Viruses can spread to other computers and files when the software or documents they are attached to are transferred from one computer to another using a network, a disk, file …

A computer virus is a malicious application or code used to perform destructive activity. Learn exactly what it is, how it works, examples, and more.

Oct 18, 2025 · Computer virus, a portion of a computer program code that has been designed to furtively copy itself into other such codes or computer files. It is usually created by a prankster …

Mar 17, 2023 · What do viruses do? A virus is simply a computer program--it can do anything that any other program you run on your computer can do. Some viruses are designed to …

Apr 28, 2022 · A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself.