DLSPS- Graduate School of Business

Prepared by: Rex Jayson M. Tuozo

Outline• Introduction

• Computer Virus Types– Computer System/ Boot Record Viruses– Computer File Viruses– Common Computer Virus Name

• How Do I know I Have a Computer Virus?

• How Can You “Catch” a Computer Virus?

• How Do I Detect and Eliminate Computer Viruses?

• The Tools You’ll Need: Anti-virus Software

• References

IntroductionA computer virus is a computer program that can copy itself and infect a computer without

permission or knowledge of the user (www.wikipedia.com). The term comes from the term virus in biology. Similar to the way a

biological virus works, a computer virus reproduces by making (possibly modified) copies of itself in the computer’s memory,

storage, or over a network.

Computer Virus Types:• Computer System/ Boot Record Viruses

– Attack parts of your computer used to run programs

• Computer File Viruses– Clings to various programs files– Sample files: .COM, .EXE, .DOC

• Common Computer Virus Name– Stoned, Love Bug,– Check “Data Fellows Computer Virus

Information”– Check McAfee/ Norton/ TrendMicro website

How Can You “Catch” a Computer Virus?

• Floppy disk• Internet• Email• Networks

How Do I Detect and Eliminate Computer

Viruses?

• Use anti-virus software

The Tools You’ll Need: Anti-virus Software

• McAfee• Norton• TrendMicro (online)

References1. ^Vesselin Bontchev. Macro Virus Identification Problems.FRISK Software International.

2. ^Malware Evolution: MacOS X Vulnerabilities 2005-2006. Kaspersky Lab (July 24, 2006).

3. ^McAfee. McAfee discovers first Linus Virus. News article.

4. ^Axel Boldt. Bliss, a Linus “virus”. News article