What was the worst computer virus in history?

Mydoom
1. Mydoom – $38 billion. The worst computer virus outbreak in history, Mydoom caused estimated damage of $38 billion in 2004, but its inflation-adjusted cost is actually $52.2 billion. Also known as Novarg, this malware is technically a “worm,” spread by mass emailing.

What were the first computer viruses?

Following Creeper, which was isolated within the realm of researchers, Elk Cloner was the first virus to be detected in the wild. Written in 1982 by a 15-year-old, it was a boot sector virus that infected Apple II computers.

When was computer virus first discovered?

In January of 1986, the first virus written for Windows based PCs was born. Known simply as “Brain,” it was written by two brothers, Basit and Amjad Farooq Alvi, who were only 17 and 24 years old at the time.

What are the top 10 worst computer viruses?

Here, we present a look back at the 10 worst computer viruses of ever made:

  1. The Morris worm.
  2. The Concept virus.
  3. CIH.
  4. The Anna Kournikova worm.
  5. ILOVEYOU.
  6. The Melissa virus.
  7. The Blaster Worm.
  8. Netsky and Sasser.

What did the ILOVEYOU virus do?

The attachment in the ILOVEYOU virus is a VBScript program that recipients at the time mistook for a simple text file because the extension . vbs was hidden from view on Windows machines. When the file is opened, it finds the recipient’s Outlook address book and re-sends the note to everyone in it.

Who is father of computer virus?

Von Neumann’s design for a self-reproducing computer program is considered the world’s first computer virus, and he is considered to be the theoretical “father” of computer virology.

Who is the father of computer virus?

What was first computer?

The first mechanical computer, The Babbage Difference Engine, was designed by Charles Babbage in 1822. The ABC was the basis for the modern computer we all use today. The ABC weighed over 700 pounds and used vacuum tubes. It had a rotating drum, a little bigger than a paint can, that had small capacitors on it.

Who made the ILOVEYOU virus?

Onel De Guzman
Creation. ILOVEYOU was created by Onel De Guzman, a college student in Manila, Philippines, who was 24 years old at the time.

What are the top 10 computer viruses?

Here are the top ten notorious computer viruses of all time.

  • Morris Worm. Let us start our journey with Morris Worm or the “Great Worm”, which is believed to be the pioneer among computer worms distributed through the internet.
  • Nimda.
  • ILOVEYOU.
  • SQL Slammer.
  • Stuxnet.
  • CryptoLocker.
  • Conficker.
  • Tinba.

Who is the creator of ILOVEYOU virus?

Creation. ILOVEYOU was created by Onel De Guzman, a college student in Manila, Philippines, who was 24 years old at the time.

Is ILOVEYOU a virus or worm?

ILOVEYOU is also known as the “love letter virus” and the “love bug worm.” Although commonly referred to as a computer virus, ILOVEYOU is actually a worm.

What are the most famous computer viruses?

There are millions of computer viruses around that make our lives difficult. Ever wondered which are the most famous computer virus and worms in history? The list includes Nimda, Code Red, Mydoom, Melissa, Sasser, Blaster and others.

What is the first computer virus and who created?

As noted by Discovery, the Creeper program, often regarded as the first virus, was created in 1971 by Bob Thomas of BBN. Creeper was actually designed as a security test to see if a self-replicating program was possible. It was-sort of. With each new hard drive infected, Creeper would try to remove itself from the previous host.

What are computer viruses and their causes?

“A Computer Virus is a malicious software program “Malware” that can infect a computer by modifying or deleting data files, boot sector of a hard disk drive or causes a software program to work in an unexpected manner”. A computer virus resides on a host computer and can replicate itself when executed.

What are the names of some computer viruses?

There are several types of computer viruses, commonly every malicious code such as Adware, Trojans, Spyware, Keylogger, Worm, Rootkit, Backdoor are called a virus. However, each type of dangerous code is different in behavior and damage level. For example, Trojans doesn’t replicate itself like a virus but it behaves like a legitimate program.