DLSPS – Graduate School of Business

INTRODUCTION

A computer virus:

� Copy itself & infect a computer without

permission or knowledge of the user.

� Term virus in biology.

� Produce by making copies of itself in the

computer’s memory, storage or over a

network.

COMPUTER VIRUS TYPES

a) Computer System / Boot Record Viruses

- Attack parts of your computer used to run programs

b) Computer Files Viruses

- Clings to various programs files

- Sample files : .COM, .EXE, .DOC

c) Common Computer Virus Names

- Stoned, Love Bug,

- Check “Data Fellows Computer Virus Information”

- Check McAfee/Norton/TrendMicro website

� Programs take longer to load than normal

� Hard drive runs out of hard disk space

� Files have strange names you don’t recognize

� Conventional memory isles than it used to be

� Programs run erratically

How Do I Know I Have A

Computer Virus?

Floppy disk

Internet

Email

Networks

HOW CAN YOU “CATCH”

A COMPUTER VIRUS?

HOW DO I DETECT AND

ELIMINATE COMPUTER

VIRUSES?

����Use anti virus software

McAfee

THE TOOLS YOU’LL NEED :

ANTIVIRUS SOFTWARE

TrendMicro (online) Norton

REFERENCES

1. Vesselin Bontchev. Macro Virus Identification

Problems. FRISK Software International

2. Malware Evoluation: MacOS X Vulnerabilities

2005 – 2006. Kaspersky Lab (July 24, 2006)

3. McAfee. McAfee discovers first Linux virus.

news article.

4. Axel Boldt. Bliss, a Linux “virus”. news

article.