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BREAKING INTO SONG

While computer viruses can pose a serious threat to computer systems and Internet traffic, sometimes the media overstates the impact of a particular virus. For example, the Michelangelo virus gained a great deal of media attention, but the actual damage caused by the virus was pretty small. That might have been the inspiration for the song "Virus Alert" by "Weird Al" Yankovic. The song warns listeners of a computer virus called Stinky Cheese that not only wipes out your computer's hard drive, but also forces you to listen to Jethro Tull songs and legally change your name to Reggie.

Worst Computer Virus 1: Storm Worm

The latest virus on our list is the dreaded Storm Worm. It was late 2006 when computer security experts first identified the worm. The public began to call the virus the Storm Worm because one of the e-mail messages carrying the virus had as its subject "230 dead as storm batters Europe." Antivirus companies call the worm other names. For example, Symantec calls it Peacomm while McAfee refers to it as Nuwar. This might sound confusing, but there's already a 2001 virus called the W32.Storm.Worm. The 2001 virus and the 2006 worm are completely different programs.

The Storm Worm is a Trojan horse program. Its payload is another program, though not always the same one. Some versions of the Storm Worm turn computers into zombies or bots. As computers become infected, they become vulnerable to remote control by the person behind the attack. Some hackers use the Storm Worm to create a botnet and use it to send spam mail across the Internet.

Many versions of the Storm Worm fool the victim into downloading the application through fake links to news stories or videos. The people behind the attacks will often change the subject of the e-mail to reflect current events. For example, just before the 2008 Olympics in Beijing, a new version of the worm appeared in e-mails with subjects like "a new deadly catastrophe in China" or "China's most deadly earthquake." The e-mail claimed to link to video and news stories related to the subject, but in reality clicking on the link activated a download of the worm to the victim's computer [source: McAfee].

Several news agencies and blogs named the Storm Worm one of the worst virus attacks in years. By July 2007, an official with the security company Postini claimed that the firm detected more than 200 million e-mails carrying links to the Storm Worm during an attack that spanned several days [source: Gaudin]. Fortunately, not every e-mail led to someone downloading the worm.

Although the Storm Worm is widespread, it's not the most difficult virus to detect or remove from a computer system. If you keep your antivirus software up to date and remember to use caution when you receive e-mails from unfamiliar people or see strange links, you'll save yourself some major headaches.

Want to learn more about computer viruses? Take a look at the links on the next page, if you dare.


Date: 2015-04-20; view: 876


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