Part 1 of Essay
A virus is a program that copies itself without the knowledge of the computer user. Typically, a virus spreads from one computer to another by adding itself to an existing piece of executable code so that it is executed when its host code is run. If a virus if found, you shouldn't panic or be in a hurry, and you should w ....

Part 2 of Essay
.... Droppers ¨ Failed viruses ¨ Packagers ¨ Trojans ¨ Jokes ¨ Test files THE DAMAGE ROUTINE Damage is defined as something that you would prefer not to have happened. It is measured by the amount of time it takes to reverse the damage. Trivial damage happens when all you have to do is get rid of the virus. There may be some audio or visual effect; often there is no effect at all. Minor damage occurs when you have to replace some or all of your executable files from clean backups, or by re-installing. Remembe ....