What is the most deadly computer virus?
There is no such thing as the most deadly computer virus. There are, however, viruses that are more deadly than others. The most deadly viruses are those that are able to infect and spread quickly, without being detected. They are also able to cause severe damage to the systems they infect. Some of the most deadly viruses include the following:
1.Conficker
Conficker is a particularly nasty virus that first appeared in 2008. It targets Windows systems and is able to spread quickly through networks. Once it has infected a system, it can be very difficult to remove. Conficker can cause a range of problems, including disabling security features, downloading and executing files, and blocking access to certain websites.
2.CryptoLocker
CryptoLocker is a type of ransomware that first appeared in 2013. It encrypts files on an infected system and then demands a ransom be paid in order to decrypt the files. CryptoLocker can spread through email attachments and infected websites. It is particularly dangerous because it can encrypt important files, such as documents and photos, making them impossible to access without the decrypt key.
3.WannaCry
WannaCry is a ransomware virus that first appeared in 2017. It targets Windows systems and spread quickly through networks. WannaCry encrypts files on an infected system and then demands a ransom be paid in order to decrypt the files. It is considered particularly dangerous because it can spread so quickly and because it can encrypt important files, making them impossible to access without the decrypt key.
4.Melissa
Melissa is a virus that first appeared in 1999. It spread quickly through email attachments and infected systems. Once it was on a system, it would replicate itself and send itself out to email addresses in the victim’s address book. Melissa would then launch a denial of service attack against a specific website. This virus caused a lot of damage and cost businesses millions of dollars in lost productivity.
5.ILOVEYOU
ILOVEYOU is a virus that first appeared in 2000. It spread quickly through email attachments and infected systems. Once it was on a system, it would replicate itself and send itself out to email addresses in the victim’s address book. ILOVEYOU would then display a message that said “I love you” and would overload the systems it was on, causing them to crash. This virus caused a lot of damage and cost businesses millions of dollars in lost productivity.
What is the most common type of computer virus?
As of May 2019, the most common type of computer virus is Worm.Trojan.Ransom.Gen, with over 18,000 instances. This virus is a ransomware trojan that affects the Windows operating system. It is spread through email attachments and infected websites, and can encrypt the user’s files.
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