1. CIH (1998 years)
The computer virus belongs to the W32 family of infections Window * 95/98 in order to ** E as a suffix in the feasibility of the file. It is devastating, you can override the BIOS to make it useless (as long as the computer's microprocessor is the Pentium Intel 430TX), its consequences is to make the user's computer does not start, the only solution is to replace the original system chip (chip), the computer virus in the April 26 attack, it will also undermine the computer's hard drive so the information. The computer virus does not affect the MS / DOS, Windows 3.x and Windows NT operating system.
CIH can be used all possible means to spread: a floppy disk, CD-ROM, Internet, FTP downloads, e-mail. Is recognized as the most dangerous in history, one of the most damaging computer viruses. In June 1998 broke out in China Taiwan, causing a worldwide 20 million -8,000 million dollars in damages.
2. Melissa (Melissa, 1999 years)
The virus specifically for Microsoft's e-mail server and e-mail software, it is hidden in a Word97 file format in order to attachment via e-mail communication, good attack with Word97 or Word2000 computer. It can attack Word97's registrar and modify its security settings to prevent macro viruses, infected files that it has a macro virus warning by the loss of function effect.
Melissa virus was found a short span of a few hours, the virus that is transmitted via the Internet around the world millions of computers and tens of thousands of servers, the Internet in many parts of the paralysis. March 26, 1999 outbreak of infection by 15% -20% of the commercial PC, has brought 300 million to the global -6 billion in damages.
3. I love you (2000 years)
May 3, 2000 outbreak in Hong Kong, China, is a preparation to use VBScript can be spread via E-Mail viruses, infected computers platform to Win95/98/2000 based. To bring 10 billion to the global loss of -150 million U.S. dollars.
4. Code Red (Code Red, 2001 years)
The virus can spread rapidly and cause a wide range of access speeds down or even block. The virus typically begins with the attack on computer networks, servers, the server will attack the virus in accordance with the instructions to send large amounts of data to the government web sites, eventually leading to paralysis site. The damage caused is mainly altered pages, there are signs that this worm has the ability to modify the file. July 13, 2001 outbreak, bringing to the global loss of 2.6 billion U.S. dollars.
5. SQL Slammer (2003 years)
The virus using SQL SERVER 2000 analytic port 1434 buffer overflow attack its services. January 25, 2003 outbreak, a total of 50 million servers worldwide were attacked, but the resulting economic loss, but smaller.
6. Blaster (Blaster, 2003 years)
The virus will continue with the use of run-time scanning technology for IP network systems for Win2K or XP computer, locate after the DCOM RPC buffer overflow attacks on the use of the system, once the attack is successful, the virus body will be transferred to other computers to infection, so that system operation exception, ever reboot, or even cause system crashes. In addition, the virus will be an update on Microsoft's Web site denial of service attacks, leading to the site blocked, so that users can not upgrade the system through the Web site. The summer of 2003 broke out, hundreds of thousands of computers were infected, causing the global loss of 2.0 billion -100 billion dollars.
7. Great Promise. F (Sobig.F, 2003 years)
Sobig.f is a use of the Internet to spread the virus, when its program is executed, it will own in the form of an e-mail sent to it from the infected computer to find all the e-mail address. Being executed, Sobig.f virus itself to attachment via e-mail sent to it from the infected computer to find all the e-mail address, it uses its own SMTP engine to set the message. This worm virus in the infected system directory is C: \ WINNT \ WINPPR32.EXE. August 19, 2003 broke out, for the previous Sobig variants, has brought to the global loss of 5.0 billion -100 billion dollars.
8. Bagle (Bagle, 2004 years)
The virus spreads via e-mail, running in the system generates its own copy of the directory, modify the registry keys. The virus also has backdoor capabilities. January 18, 2004 broke out, bringing millions of dollars to the global loss.
9. MyDoom (2004 years)
MyDoom is a kind of via e-mail attachments and P2P network Kazaa spread of the virus, when the user opens the attachment and run the virus within the process, the virus will be within the user mailbox e-mail address as the goal, the source of forged e-mail address, external to send a large number of e-mail with virus attachments, while the user leaves the host can upload and execute arbitrary code on the back door (TCP 3127
To the 3198 range). January 26, 2004 broke out, during peak periods, resulting in slow loading time the network more than 50%.
10. Sasser (2004 years)
The virus is an operating system using Microsoft Lsass Buffer Overflow Vulnerability (MS04-011 vulnerability information) to the spread of worms. As the worm will be launched in the dissemination process of a large number of scans, so individual users and network operations will cause a huge impact. April 30, 2004 broke out, bringing millions of dollars to the global loss.
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