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According to PC World, the five most dangerous computer viruses are:

1. Conficker
2. Zeus
3. Sality
4. Alureon
5. Stuxnet

What makes these viruses so dangerous?

1. Conficker:

Conficker is a virus that was first discovered in 2008. It is classified as a worm, which means that it is able to spread itself without the need for a human host. Conficker is dangerous because it can infect both Windows and Mac computers, and it can also spread through USB drives and network shares. Once a computer is infected with Conficker, the virus can disable security software and block access to websites that may contain anti-virus software. The virus can also steal information such as login credentials and financial information.

2. Zeus:

Zeus is a virus that is classified as a Trojan Horse. This means that it masquerades as something harmless in order to trick users into downloading and installing it. Once installed, Zeus can steals information such as banking details and login credentials. Zeus is particularly dangerous because it can be used to create botnets, which are networks of infected computers that can be used to launch distributed denial of service (DDoS) attacks.

3. Sality:

Sality is a virus that was first discovered in 2003. It is classified as a worm, which means that it is able to spread itself without the need for a human host. Sality is dangerous because it can infect both Windows and Linux computers. Once a computer is infected with Sality, the virus can disable security software and block access to websites that may contain anti-virus software. The virus can also steal information such as login credentials and financial information.

4. Alureon:

Alureon is a virus that was first discovered in 2010. It is classified as a rootkit, which means that it is able to hide itself from detection by anti-virus software. Alureon is dangerous because it can infect both Windows and Mac computers. Once a computer is infected with Alureon, the virus can disable security software and allow hackers to gain control of the infected computer. The virus can also be used to steal personal information and financial data.

5. Stuxnet:

Stuxnet is a virus that was first discovered in 2010. It is classified as a worm, which means that it is able to spread itself without the need for a human host. Stuxnet is particularly dangerous because it is specifically designed to target industrial control systems. Once a system is infected with Stuxnet, the virus can take control of the system and cause it to malfunction. This can lead to serious consequences such as a dangerous chemical leak or a power outage.

What are some of the most dangerous computer viruses?

There are many dangerous computer viruses, but some are more dangerous than others. Some of the most dangerous computer viruses include:

1. The ILOVEYOU virus: This virus was first released in 2000 and quickly became one of the most destructive viruses in history. The ILOVEYOU virus infected millions of computers and caused billions of dollars in damage.

2. The MyDoom virus: This virus was released in 2004 and is considered to be the most destructive virus ever released. The MyDoom virus infected millions of computers and caused billions of dollars in damage.

3. The Storm Worm: This virus was released in 2007 and is considered to be one of the most destructive viruses in history. The Storm Worm infected millions of computers and caused billions of dollars in damage.

4. The Conficker virus: This virus was released in 2008 and is still considered to be a very dangerous virus. The Conficker virus has infected millions of computers and caused billions of dollars in damage.

5. The Cryptolocker virus: This virus was released in 2013 and is considered to be one of the most destructive viruses in history. The Cryptolocker virus has infected millions of computers and caused billions of dollars in damage.

Visit malwarezero.org to learn more about most dangerous pc viruses. Disclaimer: We used this website as a reference for this blog post.