What are the most dangerous computer viruses?
There are many computer viruses that are dangerous, but some are more dangerous than others. Below is a list of some of the most dangerous computer viruses:
1.CryptoLocker: This virus encrypts files on your computer and then demands a ransom to decrypt them. It can be spread through email attachments or via compromised websites.
2.WannaCry: This virus spread quickly around the world and encrypted files on victims’ computers, demanding a ransom to decrypt them. It took advantage of a security flaw in Microsoft Windows and affected hospitals, businesses, and individuals.
3.Petya/NotPetya: This virus spread through email attachments and infected victims’ computers, encrypting their hard drives and making them inaccessible. It then displayed a ransom demand on victims’ screens.
4.Trojan Horse: This type of virus disguises itself as a harmless program or file in order to trick you into downloading and installing it. Once it’s on your computer, it can perform a variety of malicious activities, such as deleting files, stealing personal information, or taking over your machine.
5.Spyware: This type of virus is designed to collect information about you, such as your browsing habits, and then send it to third-party companies without your knowledge or consent. Spyware can also track your keystrokes and capture sensitive information like passwords and credit card numbers.
6.Adware: This type of virus displays unwanted advertisements on your computer, often in the form of pop-up windows. Adware can be annoying and intrusive, and in some cases, it can collect personal information about you without your knowledge or consent.
7.Rootkits: This type of virus is designed to gain access to your computer and then hide itself from detection. Once it’s installed, a rootkit can allow an attacker to remotely control your machine and steal personal information, or eavesdrop on your conversations.
8.Keyloggers: This type of virus records everything you type on your keyboard, including passwords, credit card numbers, and other sensitive information. Keyloggers can be installed on your computer without your knowledge, and then used to steal your sensitive information.
9.Botnets: This type of virus infects computers and then uses them to send out spam emails, or launch attacks against other computers. Botnets can be used to steal personal information, or to distribute malware to other computers.
10.Ransomware: This type of virus encrypts files on your computer and then demands a ransom to decrypt them. Ransomware can be spread through email attachments or via compromised websites.
What is the most destructive pc virus?
There is no definitive answer to this question as different viruses can cause different levels of damage. However, some of the most destructive and notorious viruses include WannaCry, ILOVEYOU and Melissa.
WannaCry is a ransomware virus that emerged in 2017. It infected over 200,000 computers in 150 countries and caused estimated damages of over $4 billion. The virus encrypted victims’ files and demanded a ransom payment in order to decrypt them. Many organizations, including hospitals and government agencies, were affected by WannaCry and some were forced to halt operations due to the loss of data.
ILOVEYOU is a virus that spread via email in 2000. It infected over 50 million computers and caused an estimated $5.5 billion in damages. The virus spread quickly as users were tricked into opening an email attachment that appeared to be a love letter. However, once opened, the attachment would send copies of the virus to everyone in the victim’s address book and delete important files from the victim’s computer.
Melissa is a virus that also spread via email in 1999. It caused an estimated $80 million in damages and infected over 1 million computers. The virus would spread when users opened an email attachment that appeared to be a list of pornographic websites. However, once opened, the attachment would send copies of the virus to everyone in the victim’s address book and disable certain system functions.
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