ILOVEYOUĪs romantic as it sounds, the ILOVEYOU virus is not the kind of a gift you’d want to receive on Valentine’s Day.

The latter helped it spread rapidly and caused huge network outages. Though its main target is believed to be internet Servers running Windows NT and 2000, Nimda also affected regular users’ PCs running Windows. No wonder, since the worm used five different transmission routes. Within an hour after its release, Nimda reached the top spot of all reported attacks. But it’s actually a computer virus called Nimda (admin spelt backwards), which hit the internet in 2001. NimdaĪ worm, a virus, and a Trojan horse all in one sounds like something out of a horror movie. It’s believed that Morris Worm infected around 6,000 major Unix machines, causing up to $10 million of damage. Finally, it caused crashes and made the computer completely useless.

The worm was supposed to ask whether there was already a copy running on the computer but instead it just continuously made copies of itself, slowing the system down. Created to highlight security flaws in Unix systems, its founder - Robert Morris -made a fatal error that transformed the worm from a potentially harmless software to a denial-of-service (DDoS) attack machine. It’s believed to be the pioneer among computer worms distributed through the internet. If you look at a “names of computer viruses” list, this is one of those that’ll most likely pop up. Let’s start our journey with Morris Worm, also known as the “Great Worm”. Below is a list of computer viruses, which features 10 of the most notorious ones. Hackers don’t need to reinvent the wheel every time and use best practices from their successful counterparts.

But knowing the most destructive and tricky computer viruses in history can help you avoid them. Even when you’re armored with antivirus software, there is still a chance your system and personal data may be corrupted. While you’re reading this, 970 million pieces of malware are circulating the web, ready to pounce. With so many types of viruses online and ready to attack, avoiding a computer virus is challenging. What are the most notable examples of computer viruses?

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