What are the top 10 viruses of the computer?

Answer 1

The top ten viruses are:

1- Stuxnet (2009 - Present)

It is built and designed mainly to target industrial system. The United States of America used it to infect a nuclear Powerplant in Iran causing it to shutdown with major radiation leaks inside the powerplant itself.

2- Conflikter (2009 - Present)

This worm crawled its way into millions of Windows-based PCs around the world, creating a massive botnet army of remotely controlled computers capable of stealing financial data and other information.

3- agent.btz (2008 - 2009)

This piece of malware's claim to fame is that it temporarily forced the Pentagon to issue a blanket ban on thumb drives and even contributed to the creation of an entirely new military department, U.S. Cyber Command.

4- Zeus (2010 - Present)

There is no shortage of malware kits that target personal information, but Zeus has become the go-to tool for many of today's cyber criminals and is readily available for sale in the cyber crime underworld. It can be used to pilfer passwords as well as files, helping to create a literal underground economy for compromised identities that can be bought and sold for as little 50 cents.

5- Poison Ivy (2005)

PoisonIvy is a computer security nightmare; it allows the attacker to secretly control the infected user's computer. Malware like PoisonIvy is known as a "remote access trojan," because it provides full control to the perpetrator through a backdoor.

6- Mydoom (2005)

MyDoom muscled its way into the malware world in 2004, quickly infecting some one million computers and launching a massive distributed denial of service attack, which overwhelms a target by flooding it with information from multiple systems.

7- Fizzer (2003)

Just a normal worm but a very successfull one...

8- Code Red (2001)

Compared to modern malware, Code Red seems like an almost kinder, gentler version of a threat. But when it swept across computers worldwide in 2001.

9- Love Letter/I love you :L (2001)

Yes... It was a love letter that infected computers and deleted the OS of it...

10- Vmware Trojan (Present)

Latest virus that claims to have infected over 50,000 Windows based computers and over 200,000 Macs.

Answer 2

Computer Wroms, Trojan horses, spyware, adware, malware..... hope it helps