computer-virus111.Storm Worm
First appeared in 2006, called “Storm Worm” because it spreads via email, entitled “230 dead as storm batters Europe”. Storm worm Trojan programs are included in the house, several versions of this virus can make the computer become bots.

2. Leap-A/Oompa- A
Mac that has a concept of security through obscurity, Mac believe thea system can’t be infected by a virus of cause of  the OS system is a closed. But in the year 2006, Leap-A virus or commonly known as Oompa-A appears and spreads via iChat on the Mac. Having a Mac attack, the virus will search for contacts via iChat and send messages to each contact. The message will contain a form of corrupt JPEG file. It’s not dangerous, but this proved that the Mac OS systems are not immune to the virus.

3. Sasser and Netsky
Creator by German children aged 17 years, Sven Jaschan. Sasser attack Microsoft Windows. Sasser does not spread via email. The virus is usually spread through the network. This will create a computer virus could not be shutdown without unplug the power. Netsky spread via email with a 22 Kb file attachments and Windows network. Sven Jaschan Finally caught but he’s not jail, was only given probation 1 year 9 months, because at that time still under the age of 18.

4. MyDome (Novarg)
This virus is making a backdoor on the OS. Computer was first known attack on first February by doing DDoS. Then reported back to attack on the 12th of Feb, after that the virus stopped spreading and start creating backdoors. MyDoom spreads via email.

5.SQL Slammer / Sapphire
Appeared in January in the year 2003, spread quickly via the Internet. This virus has also been a U.S. Bank ATMs crash, the collapse of Seattle’s 911 service, and Continental Airlines.

6.Nimda
Reported attacks in 2001, call Nimda taken from opposite the word “admin”. These viruses spread very quickly, according to TruSecure CTO Peter Tippett, Nimda only takes 22 minutes to make the Top Ten Virus at the time. The main target of this virus is Internet servers, Nimda spread through Internet network by creating a backdoor into the OS.

7.Code Red & Code Red II
Appear summer 2001, attacks Windows 2000 & NT OS. This virus will create a buffer becomes full so make the memory becomes full.

8.The Klez
This virus was first known infected on 2001, this virus spreads via email by conducting continuous replication, and sent to all email addresses in the victim’s address book. This virus makes the victim computer becomes very slow and can also turn off the antivirus application

9.ILOVEYOU
This virus started spreading in the Philippines, these virus classified as worm virus, which has the ability to do her own replication. ILOVEYOU spread via email, with the title “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
This virus was made in 1999 by David L. Smith, created with Basic program, exactly with Microsoft Word macros. This virus spreads via email with the document “Here is That document you asked for, do not show it to anybodey else.”. When this file will be opened or clicked it will automatically run the virus replication and automatically send a pass up to the top 50 in the address book of an email. Smith was jailed 20 months and fined $ 5,000 and prohibited from accessing the computer without supervision.