Essay On Computer Viruses

Infected cells aren't infected more than once by the same cell. This particular kind of virus can only infect if YOU run the program!

This virus targets COM and EXE files, but have also been found in other executable files.

It can attach itself to other programs and make copies of itself (i.e., companion viruses). An infected program may not exhibit symptoms for a while.

Essay On Computer Viruses-81Essay On Computer Viruses-17

People are often telling me I am paranoid of viruses. When it comes to securing your system from viruses, trust no one, not even your mother-when you change disks with her, that is.More coursework: 1 - A | B | C | D | E | F | G | H | I - J | K - L | M | N - O | P - S | T | U - Y Computer Viruses and their Effects on your PC This page intentionally left blank Table of Contents What is a Virus?1 HOW A VIRUS INFECTS YOUR SYSTEM: 2 HOW DOES A VIRUS SPREAD?However, there seems to be countless numbers of ways to become infected.Every time you download a program from somewhere or borrow a disk from a friend, you are taking a risk of getting infected. " A virus may be installed into a computer at the time of manufacturing. Microsoft aided the spread of Wazzu by distributing a Wazzu-infected document on the Swiss ORBITconference CD, and keeping an identical copy of the infected document on it's Swiss Website for at least five days after being notified of the problem.Changing the boot sector could result in the inability of the computer to run. Erase The Whole Hard Drive/ Diskette: A virus can simply format a disk. Normally, the operator or user has to press a few keys.This will cause you to lose all of the data stored on the formatted disk. The virus can do this by sending codes to the operating system. Slowing Things Down: The object of this virus can slow down the running line of a program.Computer software bought in stores have been know to carry viruses. In September of 1996, the September edition of Microsoft SPCD has a file infected with a virus called "Wazzu". It is noted, by Microsoft records , that over 2 million of the infected CD's were sold.The CD's were replaced on a recall from Microsoft, however: this aided the spread of the Wazzu Virus. with Garbage: As a virus reproduces, it takes up space.some viruses are memory resident which will infect every file run after that one.Other are "direct action" injectors that immediately infect other files on your hard drive then leave.

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