Computer
Virus Guide
Diagnose,
Treat and Destroy
Viruses,
Malware, Spyware and other Infectious Computer Problems By
Cody Helscel
Copyright and disclaimer
© Copyright 2012 Cody R. Helscel. All Rights Reserved.
Please note that much of this publication is based on personal experience and anecdotal evidence. Although the author has made every reasonable attempt to achieve complete accuracy of the content in this Guide, he assumes no responsibility for errors or omissions. Additionally, you should use the information contained in this Guide as you see fit and at your own risk. Your particular situation may not be exactly suited to the examples illustrated here. If this is the case, you should adjust your use of the information accordingly.
Any trademarks, service marks, product names or named features are assumed to be the property of their respective owners and are used only for reference. There is no implied endorsement if we use one of these terms.
Feel free to visit Cody’s Web sites at GeeksareHere.com and CodyHelscel.com.
Table of Contents
Introduction 4
Harmful software 4
What is a computer virus? 4
What is malware? 4
What is spyware? 5
Differences between viruses, spyware and malware 5
What is a computer worm? 5
The Trojan horse 5
Brief history of computer viruses 6
Different types of viruses 6
Stealth viruses 6