10 Most Dangerous and Destructive Computer Viruses
Many of you would be computer users in the Internet world. And if you are a computer user then you must have heard the name of the virus. It is very common nowadays. In our previous article, we had discussed in detail computer viruses and types of computer viruses, check it out if you are interested.
In this article, we are going to talk about-
Most Destructive Computer Viruses
1. MYDOOM- $38.5 billion damage
2. SOBIG- $37.1 billion damage
3. KLEZ- $19.8 billion damage
4. ILOVEYOU- $15 billion damage
5. WANNACRY- $4 billion damage
6. ZEUS- $3 billion damage
7. CODE RED- $2.4 billion damage
8. SLAMMER- $1.2 billion damage
9. CRYPTOLOCKER- $665 million damage
10. SASSER- $500 million damage
This is a 15-year-old malware that is still being used in phishing attacks in 2021. MyDoom is a computer virus that affects Microsoft Windows. This computer virus is also known as a worm, Novarg, Mimail.R, win32, and Shimgapi. It is one of the fastest spreading and most destructive computer viruses ever. It was first seen on 26 January 2004. My Doom infected 1 in 12 emails at its peak. Its total damage is $38.5 billion.
In August of 2003, SoBig appeared which infected millions of computers around the globe. Sobig evolved at times, making it difficult to catch. This is not only a computer virus in the sense that it replicates itself but also a Trojan horse in that it masquerades as something other than malware. It caused an estimated $37.1 billion dollars in damage worldwide.
Klez is a computer worm that spreads through e-mail. It first appeared in October 2001. KLEZ infects the Microsoft Window System, exploiting a vulnerability in Internet Explorer's Trident layout engine that is used by both Microsoft Outlook and Outlook Express to render HTML mail. It is also known as KLEHZ. Its total damage is $19.8 billion.
ILOVEYOU virus originated in the Philippines, on 5 May 2000, it started infecting computers. ILOVEYOU also known as the Love Bug in 2000. The virus is spread via email with the subject line ILOVEYOU and an attachment, LOVE-LETTER-FOR-YOU.txt.VBS if the attachment was opened, a Visual Basic script was executed, and the computer was infected. It is believed that 10% of the world's computers were infected. Its total damage is $15 billion.
This virus is also known as the name of WannaCrypt, Wana Decrypt0r 2.0, WanaCrypt0r 2.0, and Wanna Decryptor. WannaCry was a worldwide cyberattack by the WannaCry ransomware cryptoworm in May 2017 that targeted computers running the Microsoft Windows operating system by encrypting data and soliciting payments in bitcoin cryptocurrency. It is estimated that this cybercrime has caused a loss of $ 4 billion worldwide.
The Zeus virus is part of the "Zeus" family of malware and viruses. It was first discovered in 2011. A virus is a form of malicious software that targets Microsoft Windows. The main purpose of this virus is to access the sensitive bank account details of the victim and steal all the money of the victim. In some cases, In some cases, Zeus may download ransomware that encrypts your files and in exchange for unlocking them, they demand money from the victim. Its total damage is $3 billion.
Two eEye Digital Security employees Mark Mafrat and Ryan Permeh discovered the Code Red. They named the virus Code Red because they were drinking Code Red Mountain Dew. This was seen on the internet on 15 July 2001. The virus was released on 13 July and the largest cluster of infected computers was observed on 19 July 2001, the number of infected hosts reaching 359,000 on that day. Its total damage is $2.4 billion.
On January 25, 2003, a new computer worm spread worldwide, disrupting hundreds of thousands of systems and slowing Internet traffic. This virus is called Slammer and is also known as a sapphire. The worm took advantage of a known software flaw in Microsoft SQL Server and transmitted thousands of packet bundles of large amounts of information to and from infected systems. Its total damage is $1.2 billion.
CryptoLocker ransomware attack was released In September 2013 and it spread through email attachments and encrypted user's files so that they could not access them. This virus is a dangerous form of ransomware that encrypts files on a computer. In exchange for being able to access files or documents, a victim has to pay a certain amount via bitcoin. It is estimated to have caused $665 million in damages worldwide.
On April 30, 2004, a 17-year-old German named Sven Jaschan, creates Sasser. The worm spreads on the affected operating system by exploiting buffer overflows in a component called the Local Security Authority Subsystem Service (LSASS), hence the name Sasser. Its total damage is $500 million.
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