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Computer viruses have become a phenomenon that can make PC users fear. The impact of the virus, can cause losses up to billions of rupiah. Like a disease, computer viruses can infect everyone indiscriminately. Here are some of the most dangerous viruses and capable of causing damage to hundreds of billions more


CIH
Detected in June 1998 is also known by the name Chernobil virus, capable of causing losses to 800 billion rupiah. CIH virus attack any files. Exe file on a computer using Windows 98, Windows 95 and Windows ME are so korbanya. Once your computer is infected, the virus will continue to remain silent in memory, so the result each time you turn on the computer, the virus will always be active. Not only that, CIH virus caused your computer can not boot, because all the system files have been overwrite by the virus. But right now, for users of Windows 2000, Windows XP or Vista this virus is no longer a threat.

MELISSA
Friday March 26, 1999, Virus Melissa's lips everywhere because it infects every PC that uses Microsoft Outlook. This virus can spread rapidly because the victim was infected computer, it automatically sends itself Melissa (in the form of a file attachment. Doc) to 50 addresses in the contacts listed in Microsoft Outlook. Once the victim opens the file. Doc is, the Melissa virus automatically active. From Intel to Microsoft and several other large companies that use Microsoft Outlook, until forced to turn off the email system, to prevent further spread of this virus. losses incurred so fantastic for nearly 6 trillion rupiah.

ILOVEYOU
Was first detected in Hong Kong on May 3, 2000, causing losses of really fantastic because hampis reach hundreds of trillions of rupiah. Created by using Visual Basic Script, the virus is so tempting because it spreads via email with the subject "ILOVEYOU". You'll wonder if you receive an email with-frills "ILOVEYOU", and the virus takes advantage of your kepanasaran are, because once you open the email, the virus automatically infect your computer. Once your computer is infected, the virus automatically sends itself to all addresses found in contact on this Outlook.Virus Microsoft also known as Loveletter and The Love Bug.

CODE RED
Code Red show himself July 13 in 2001, by attacking every server that uses Microsoft Internet Information Server (IIS). Worm or virus that takes advantage of the open space on the IIS System. Also known by the term Bady, the virus is designed to cause very severe damage, being able to perform Denial of Service attacks on the IP-specific IP, so not surprisingly capable of causing damage to hundreds of trillions of rupiah, and in less than a week the server successfully conquered 400,000 by this virus.

Blaster
Able to cause damage to more than 100 trillion more, detected in 2003 also known as Lovsan or MSBlast attacked thousands of users of Windows 2000 and Windows XP all over the world via the Internet or network traffic.