10 Examples Of Computer Viruses Pdf

4 min read Jun 20, 2024
10 Examples Of Computer Viruses Pdf

10 Examples of Computer Viruses

Introduction

Computer viruses are malicious software programs that replicate themselves by attaching to other programs or files on a computer. They can cause harm to a computer system by deleting, modifying, or stealing sensitive data. In this article, we will explore 10 examples of computer viruses that have made an impact on the digital world.

1. I Love You Virus (2000)

The I Love You virus was a computer worm that spread through email attachments. It was named after the phrase "I Love You" which was used as the subject line of the email. This virus affected an estimated 50 million computers worldwide, making it one of the most notorious viruses of all time.

2. Melissa Virus (1999)

The Melissa virus was a mass-mailing computer worm that spread through Microsoft Word documents. It infected an estimated 1 million computers and caused $80 million in damages.

3. Michelangelo Virus (1991)

The Michelangelo virus was a boot sector virus that spread through floppy disks. It was known for its ability to delete files and crash computers.

4. Stuxnet Worm (2010)

The Stuxnet worm was a highly sophisticated computer worm that targeted industrial control systems. It was designed to attack Iranian nuclear facilities and is considered one of the most complex and sophisticated viruses ever created.

5. Conficker Worm (2008)

The Conficker worm was a computer worm that spread through Windows operating systems. It was designed to create a botnet, which is a network of infected computers that can be controlled remotely.

6. Sobig Virus (2003)

The Sobig virus was a computer worm that spread through email attachments. It was designed to create a botnet and steal sensitive information.

7. MyDoom Virus (2004)

The MyDoom virus was a computer worm that spread through email attachments. It was designed to create a botnet and steal sensitive information.

8. SQL Slammer Worm (2003)

The SQL Slammer worm was a computer worm that targeted SQL servers. It was designed to create a denial-of-service attack, which is a type of cyberattack that floods a computer system with traffic.

9. Anna Kournikova Virus (2001)

The Anna Kournikova virus was a computer worm that spread through email attachments. It was designed to steal sensitive information and create a botnet.

10. Code Red Worm (2001)

The Code Red worm was a computer worm that targeted web servers. It was designed to create a denial-of-service attack and steal sensitive information.

Conclusion

In conclusion, these 10 examples of computer viruses demonstrate the importance of computer security and the need for vigilance in protecting against malware. By understanding the types of viruses that exist, we can better prepare ourselves against future threats.