Published Paper Details:

computer users including students, home and corporate users, system administrators, corporate managers, and even the anti-virus manufacturers. The viruses are written by people with malefic intentions to bother innocent users. There are many sorts of viruses are boot sector viruses, file viruses, worms, Trojan horses, macro viruses, etc. Each of those has many various variants. Some viruses were transmitting through floppies, boot sector viruses are very rare, but nowadays as nobody boots from floppies. Today, viruses transmit more through networks and emails. Macro viruses are most prevalent within the current days. The viruses generally attempt to exploit the ambiguities of the OS, application programs, windows sockets, and even anti-virus programs. Some viruses are so dangerous that they will make the system completely unusable and irreparable. Nowadays the detection of computer viruses has become common place. In this paper I will like represent principle on which virus is work, how its spread through one machine to another and awareness.