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What are the most deadly computer viruses and how do they work?

viruses are small pieces of code that can replicate themselves and spread throughout a computer system. They generally attach themselves to programs or files, and when these programs or files are executed, the virus code is executed as well. This can cause the virus to spread to other programs or files on the same computer, or to other computers on the same network.

Viruses can be classified according to how they spread:

File infectors attach themselves to programs or files, and when these programs or files are executed, the virus code is executed as well. This can cause the virus to spread to other programs or files on the same computer, or to other computers on the same network.

Boot sector infectors attach themselves to the boot sector of a hard drive, which is the sector that contains the code that starts up the computer when it is turned on. When the computer tries to boot up, the virus code is executed, which can cause the virus to spread to other hard drives on the same computer, or to other computers on the same network.

Macro viruses attach themselves to macro files, which are files that contain code that can be executed by applications. Macro viruses can spread when the macro files are opened by applications, causing the virus code to be executed.

Email viruses attach themselves to email messages, and can spread when the email messages are opened or forwarded.

Web viruses attach themselves to web page files, and can spread when the web pages are viewed by users.

Viruses can also be classified according to what they do:

Trojan horses are programs that appear to be legitimate applications but actually contain code that can damage the computer or give unauthorized access to the computer to someone else.

Worms are programs that spread themselves by making copies of themselves and sending those copies to other computers on a network.

Logic bombs are programs that trigger when a certain condition is met, and can cause damage to the computer or make it stop functioning.

Viruses can cause a wide range of effects, from displaying annoying messages to deleting all the files on a hard drive. In some cases, viruses can allow unauthorized access to a computer, which can lead to data being stolen or the computer being used to attack other computers.

The most deadly computer viruses are difficult to detect and can cause a great deal of damage. Some of the most dangerous viruses include:

Melissa: This virus was created in 1999 and spread via email. It caused damage by overwriting files and corrupting data.

ILOVEYOU: This virus was created in 2000 and spread via email. It caused damage by deleting files and destroying data.

Code Red: This virus was created in 2001 and spread via the Internet. It caused damage by deleting files and corrupting data.

Sobig: This virus was created in 2003 and spread via email. It caused damage by deleting files and destroying data.

Mydoom: This virus was created in 2004 and spread via email. It caused damage by deleting files and destroying data.

What is the most widespread computer virus?

The most widespread computer virus is the WannaCry virus. This virus attacks the windows operating system and encrypts the data on the computer. It then asks for a ransom to be paid in order to decrypt the data. This virus has caused millions of dollars in damage and is still active today.

We used malwarezero.org to write this article about most deadly computer virus. Click here to learn more.