10 Most Dangerous Computer Viruses ever know
1.Storm Worm
Appeared in 2006, called "Storm Worm" because it spreads via email with the subject "230 dead as storm batters Europe". Storm worm is a Trojan program house. some versions can make the computer become bots. Or commonly used hackers to spam mails through the internet.
2. Leap-A/Oompa- A
Mac that has a concept of security through obscurity sure would not have a virus because the OS closed system. But in 2006, Leap-A virus or commonly known as Oompa-A emerged. Spread via iChat on the Mac. After Mac fell ill, the virus will search for contacts via iChat and send messages to each contact. The message that contains the corrupted file in the form of JPEG. It's not dangerous, but it stated that there still might be dangerous virus that attacks the MAC.
3. Sasser and Netsky
Creator is German Boy aged 17 years, Sven Jaschan. Sasser attack Microsoft Windows. Sasser does not spread via email. But if one computer connection to a computer that got the virus. This virus makes the computer can not be shutdown without unplug power. Netsky spread via email with a 22 Kb file attachments and Windows network. Could create a DoS attack. Sven Jaschan imprisoned not only given probation 1 year and 9 months, because of his age is still below 18 years.
4. MyDome (Novarg)
Beginning February 1, 2004 attack, the virus is making a backdoor on the OS. The first time it started the 1st of DDoS. Secondly, on 12 Feb, the virus stopped spreading and start creating backdoors. MyDoom spreads via email, but it always search on search engines, like Google began to receive millions of search queries and make slow until it crashes. Because MyDoom, U.S. Senator Chuck Schumer proposed making the National Virus Response Center.
5.SQL Slammer / Sapphire
Appeared in January 2003, spread quickly through the internet. It was a service U.S. Bank ATMs crash, collapse of Seattle's 911 service, and Continental Airlines canceled some flights because of an error check in with the ticketing. Making a loss of more than $ 1 billion before dipacthed.
6.Nimda
It was also in 2001, the opposite of the word "admin". Spread very quickly, according to TruSecure CTO Peter Tippett, Nimda only takes 22 minutes to make into the Top Ten at the time. His target Internet servers, spread over the Internet. Nimda will create a backdoor into the OS. so an attacker can access to the server and do anything Nimda also a DDoS.
7.Code Red and Code Red II
Appears summer of 2001, attacking the OS Windows 2000 & NT. The virus will create a memory buffer is full so spent. The most exciting time associated ama White House, all computers are infected with the virus will automatically access to the web server in the White House together, so make the overload, aka DDoS attacks. Microsoft finally releases the patch at that time.
8.The Klez
Appeared in 2001, spreads via email, then send it to replicate those in the address book. Can not make the computer operate, can Stop the antivirus program.
9.ILOVEYOU
Abis "Melissa", he emerged from the Philippines, the shape of worms, can replicate its own standalone program. It spreads via email, titled "love letters" from a secret admirer. His original file LOVE-LETTER-FOR-YOU.TXT. vbs. VBS stands for Visual Basic Scripting. Creator Onel de Guzman was from the Philippines.
10.Melissa
Created in 1999 as David L. Smith, basicnya Microsoft Word macros. It spreads via email with the document "Here Is That document you asked for, do not show it to anybodey else.". If it is opened, the virus will replicate and automatically send to the top 50 in the address book of an email. Smith was jailed 20 months with fined $ 5,000 and prohibit access to computers without supervision.source
