M. Indhumathi
A computer virus is a malicious program that self-replicates by copying itself to another program. In other words, the computer virus spreads by itself into other executable code or documents. The purpose of creating a computer virus is to infect vulnerable systems, gain admin control and steal user sensitive data. Hackers design computer viruses with malicious intent and prey on online users by tricking them. Creating a virus can teach you a lot about how a programming language works, as well as operating system and network security. It is important to address the virus attacks and its preventive mechanisms among the personal computer users in this electronic global world. After Identification of typical factors which leads to computer virus attacks the possible solutions are putforwarded to personal computer users. This virus attacks and their future improvement in computer usage. This paper describes the definition of virus worm, Virus History and Time line of virus worms, classification of Computer virus and Antivirus based on scanning and also based on their behavior, life cycle of Computer virus Method.
Virus, Attacks, Personal Computer, Preventive Mechanism.