6 most dangerous computer virus

1.Jerusalem,AKA Friday 13th, (1997)
Jerusalem, as one of the first MS-DOS virus, infecting computers in many countries, universities, institutions and companies around the world, infecting thousands of computers Jerusalem without mercy.
On every Friday the 13th, the virus deletes all program files residing on the hard drive is infected.


2.Poison Ivy, (2005)
Poison Ivy is a security nightmare computer, the virus allows hackers to secretly control the infected user's computer remotely.
Malware such as poison ivy is known as "remote access Trojan," because it gives full control to the perpetrator through the backdoor.


3.Zeus(2007)
Kit malware that targets personal information very widely spread in cyberspace.Zeus himself had traded by penjahatcyber today, and sold on the business network of cyber crime. The virus is capable of stealing passwords and files you.


4.Code Red(Juli,2001)
Code Red infects almost all of the computers in the world in 2001. Code Red managed to ruin websitewhitehouse.gov and force other government agencies to back up data while.The creation of small code language Evil has infected tens ribukomputer that uses the Microsoft Windows NT operating system and Windows 2000 as the server, at the beginning of the 21st century.Code Red damaging web pages, attack with the text "Hacked byChinese!".The virus can be run entirely by memory without leaving any traces or trace file.The damage caused yangdiperkirakan losses reached $ US 2 billion.


5.SQL Slammer(2003)
In January 2003, Slammer quickly spread on the internet that interfere with public and private services.This virus is a harbinger for the chaos in the future. Slammer have a fairly significant effect on the company's key service is great.Among the list of victims, namely: Bank of America ATM, 911 emergency response system in Washington, and possibly a nuclear plant in Ohio.This virus attack web servers run by vulnerable version 'MicrosoftSQL Server', then menghasilkanalamat Internet Protocol (IP) random.This ingenious ways that can be exploited by Slammer-menginfeksikomputer other computers.The remarkable thing is, how small the language code Slammer? In comparison to the present with their Twitter,the coding can load only five tweet. The whole code in hexa viewertertera on the attachment above.


6.FIZZER(2003)
In 2003, many worms spread in e-mail, but fizzer is an entirely new worms. Fizzer made for the purpose of theft of money."One thing that makes fizzer well known is that this virus is the first example of a worm that was created for financial gain, " said Roel Schouwenberg, a senior researcher at anti-virus firm Kaspersky.To the extent that Microsoft offers $ 250,000 reward for information providers who makes fizzer.