What is a computer virus? A computer virus is a type of malware that attaches itself to other programs, self-replicates, and spreads from one computer to another. When a virus infects a computer, it makes copies
One famous virus isMelissa, which appeared in 1999. It provides an excellent example of what viruses do, because it caused email servers to crash and disrupted many businesses. The virus spread through infected Word documents sent by email. Another well-known virus isILOVEYOU, which appeared in...
A computer virus is a malicious piece of computer code designed to spread from device to device. A subset of malware, these self-copying threats are usually designed to damage a device or steal data. Think of a biological virus – the kind that makes you sick. It’s persistently nasty, k...
A computer virus is a piece of malicious code written with the intent of altering a computer’s basic operations. A computer virus attaches itself to a legitimate program, document, or attachment in order to get the user to download and execute it. Once executed, viruses damage the computer ...
Found in 1988, this virus spreads through floppy disks and displays its presence by moving the ball around on the screen, causing improper operation of the infected computer programs. The virus causes small destruction and spreads slowly. Multipartite Virus A multipartite virus is a fast-moving ...
A computer virus is a type ofmalwarethat attaches itself to a program or file. A virus can replicate and spread across an infected system and it often propagates to other systems, much like a biological virus spreads from host to host. Once a virus has infected a system, it can attach ...
Learn what a computer virus is, how it works, and the different types of viruses that exist. This article also covers the tools and more.
A computer virus is an ill-natured software application or authored code that can attach itself to other programs, self-replicate, and spread itself onto other devices. When executed, a virus modifies other computer programs by inserting its code into them. If the virus’s replication is success...
A direct action virus accesses a computer’s main memory and infects all programs, files, and folders located in the autoexec.bat path, before deleting itself. This virus typically alters the performance of a system but is capable of destroying all data on the computer’s hard disk and any...
A computer virus is a type of program that, much like a regular virus, attaches itself to a host with the intention of multiplying and spreading its infection further. Computer viruses can be created by anyone with the proper skill set, from individuals to major organizations, and can infect...