What is the most deadly computer virus?

There is no definitive answer to this question as it largely depends on the specific context and circumstances. However, there are some viruses which are generally considered to be more deadly or dangerous than others. Here are five of the most deadly computer viruses in the world:

1. WannaCry

WannaCry is a ransomware virus that first surfaced in May 2017. It quickly spread across the globe, causing widespread panic and disruption. The virus encrypted files on infected computers and demanded a ransom payment in order to decrypt them. WannaCry is estimated to have caused damage worth billions of dollars and affected over 200,000 computers in 150 countries.

2. NotPetya

NotPetya is another ransomware virus that first appeared in June 2017. Like WannaCry, it also caused widespread damage and disruption. However, NotPetya is believed to have been even more destructive, with estimates suggesting that it caused damage worth billions of dollars and affected over 10,000 computer systems in at least 100 countries.

3. Stuxnet

Stuxnet is a computer virus that was first discovered in 2010. It is widely believed to have been created by the US and Israeli governments for the purpose of sabotaging Iran’s nuclear program. However, the virus ended up causing widespread damage, infecting over 100,000 computer systems in at least 100 countries.

4. Zeus

Zeus is a type of malware that is designed to steal banking information. It first emerged in 2007 and quickly became a major problem for banks and other financial institutions. Zeus is estimated to have caused hundreds of millions of dollars in losses.

5. Cryptolocker

Cryptolocker is a ransomware virus that was first discovered in 2013. It encrypts files on infected computers and demands a ransom payment in order to decrypt them. Cryptolocker is estimated to have caused over $1 billion in damages.

What are the most common computer viruses?

The most common types of computer viruses are trojan horses, worms, and denial-of-service attacks. A Trojan horse is a type of malware that is disguised as a legitimate program. Once it is installed, it can allow an attacker to gain control of the victim’s computer. A worm is a type of malware that is designed to spread itself to other computers. It can cause damage to the victim’s computer and to the computers of the people who receive the worm. A denial-of-service attack is a type of attack that is designed to make a victim’s computer inaccessible to its users. These are just a few of the most common types of computer viruses.

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