What are the top 10 most deadly computer viruses of all time?

This list of the top 10 most deadly computer viruses of all time is based on the estimated number of systems infected, the cost of cleanup, and the overall impact on society.

1. ILOVEYOU

Also known as LoveLetter, this virus was first released in 2000 and quickly spread through email attachments. An estimated 10% of all computers connected to the internet were infected, with damages totaling over $5.5 billion.

2. MyDoom

With over 30% of all infected email systems, MyDoom was the fastest-spreading email virus ever released. Damages were estimated at over $38 billion.

3. SASSER

Sasser was a worm that spread through vulnerable Windows systems in 2004. It caused widespread panic and disrupted transportation and business around the world. Damages were estimated at over $18 billion.

4. ZMINDER

First appearing in 2008, Zminder was a backdoor trojan that allowed remote access to infected computers. It was used in several high-profile attacks, including the 2009 Operation Aurora attacks on Google.

5. STUXNET

Stuxnet is a malicious computer worm that was first discovered in 2010. It was designed to target industrial control systems and is believed to have caused significant damage to Iran’s nuclear program.

6. CONFICKER

Conficker was a worm that spread through infected Microsoft Windows systems in 2008. It caused widespread disruption and was estimated to have infected over 10 million computers.

7. DUQU

Duqu is a computer worm that was first discovered in 2011. It is believed to be related to the Stuxnet worm and is thought to be part of a larger cyber-espionage campaign.

8. CRYPTOLOCKER

Cryptolocker is a ransomware program that was first released in 2013. It encrypts the files on an infected computer and demands a ransom for the decryption key.

9. WANNACRY

Wannacry is a ransomware program that was released in 2017. It quickly spread through email attachments and infected over 230,000 computers in 150 countries.

10. EMOTET

Emotet is a malware program that is used to steal personal information and spread other malware. It first appeared in 2014 and has been responsible for large-scale infections and billions of dollars in damages.

What is the most deadly computer virus?

A virus is a code which has potential to copy itself and corrupt system. There are different types of viruses like boot sector virus, file virus, macro virus, multipartite virus, resident virus, rootkit virus, script virus, stealth virus, trojan virus, web scripts virus etc. The most deadly virus cannot be defined as there are different types of viruses which have been discovered till date and new viruses keep on coming. However, some of the most destructive and deadly viruses which have caused havoc are as follows:

Melissa virus: Melissa virus was created in 1999 by David L. Smith. It was a macro virus which spread through email attachments. Once the email containing the attachment was opened, the virus replicated itself and sent itself to first 50 people in the victim’s address book. Melissa virus caused $80 million damage.

LoveLetter/VBS/Iloveyou virus: This virus was created by Onel de Guzman and spread through email attachments. It was a VBS script virus. This virus also replicated itself and sent itself to people in the victim’s address book. It caused damage of about $5.5 billion.

Sobig virus: This is a worm virus which was created in 2003. It spread through email attachments and network shares. It infected more than 1 million computers and caused damage of about $37 billion.

Mydoom virus: Mydoom virus was created in 2004 by Jan de Wit. It was a worm virus which spread through email attachments and Peer to Peer file sharing networks. It caused damage of about $38 billion.

Storm worm: Storm worm was created in 2007. It was a worm virus which spread through email attachments. It caused damage of about $10 billion.

These are some of the most deadly and destructive viruses which have caused havoc globally. New viruses keep on coming and it is difficult to predict which one would be the most deadly.

What are the most popular methods for spreading computer viruses?

One of the most popular methods for spreading computer viruses is through email attachments. By far the most deadly computer virus is the Love Bug, which was first released in May of 2000. This virus would spread through email attachments and would often arriv with the subject line “ILOVEYOU”. Once opened, the virus would replicate itself and send itself out to everyone in the infected person’s address book. The Love Bug would then disable any antivirus software on the computer and allow the person’s computer to be remotely controlled. The Love Bug is responsible for an estimated $10 billion in damages.

Another popular method for spreading computer viruses is through USB drives. This is often done by leaving USB drives in public places with the hope that someone will find it and plug it into their computer. The USB drive will then infect the computer with a virus. This method was used to spread theConficker virus, which is estimated to have infected over 10 million computers.

Lastly, computer viruses can also spread through malicious websites. This is often done by setting up a website that looks like a legitimate website but is actually hosting a virus. When someone visits the website, their computer can become infected with the virus. This method was used to spread the Zeus virus, which is a type of malware that is used to steal people’s banking information.

What is the most destructive computer virus ever created?
or most destructive computer virus

There are lots of contenders for the most destructive computer virus ever created, but there are a few that stand out from the pack. The first is the MyDoom virus, which was released in 2004 and quickly became one of the most widespread and destructive viruses in history. It caused an estimated $38 billion in damage worldwide, and was responsible for bringing down major websites like Google and Microsoft. The second is the Storm Worm, which was first spotted in 2007. It was highly contagious and caused massive amounts of damage, particularly in Europe. The third is the CryptoLocker virus, which emerged in 2013 and encrypted the files of its victims, rendering them inaccessible. It demanded a ransom for the decryption key, and many people ended up paying it, only to find that the key didn’t work. The fourth is the WannaCry virus, which hit in 2017 and caused billions of dollars in damage worldwide. It encrypts files and demands a ransom, but also has a destructive component that can delete files if the ransom isn’t paid. And finally, there’s the NotPetya virus, which hit in 2016 and was notable for its destructive payload. It didn’t just encrypt files, but also wiped them out, making recovery nearly impossible.

How do computer viruses spread and what can we do to prevent them?

Computer viruses are malicious pieces of code that can replicate themselves and spread to other computers. They can spread through email attachments, file sharing, and even websites. Some viruses are even designed to spread through social networks.

Most viruses are harmless, but some can be very destructive. The most dangerous viruses can delete files, steal information, or even damage your computer.

There are a few things you can do to protect your computer from viruses. First, install an antivirus program and run regular scans. Antivirus programs can detect and remove most viruses.

Second, be careful about what you download and install. Only download files from trusted websites. Be careful about email attachments. If you’re not sure if a file is safe, don’t download it.

Third, keep your software up to date. Software developers often release updates to fix security vulnerabilities. If you don’t update your software, you could be leaving your computer vulnerable to attack.

fourth, back up your important files. If your computer gets infected with a virus, you could lose all your important files. Backing up your files to an external hard drive or a cloud storage service can help you recover your files if your computer is ever infected.

Following these tips can help you protect your computer from most viruses. However, no matter how careful you are, there’s always a chance your computer could get infected. That’s why it’s important to have an antivirus program installed and to run regular scans.

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