Viruses have been the terror of devices for many years. However, over time, s...

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Computer viruses: the biggest in history


In the process of uncovering who was behind it, computer researchers Pavel Baudis and Eduard Kucera met in Prague and created the Avast ws data    antivirus , which became a vaccine to prevent the spread of viruses and which is currently used by more than 400 million people around the world. 2 – Nimda Second on the list of biggest computer viruses in history is Nimda, a virus that emerged in 2001 and hit more than 2 million devices in the first 24 hours alone.



Nimda has different infection methods, such as email, exploiting Windows flaws and vulnerable websites. It is a virus that does not cause great damage to the PC, but its notoriety came from its rapid spread and the difficulty of eliminating it. 3 – Creeper The virus that occupies third place on the list of biggest computer viruses is Creeper, considered the first computer virus in history. The virus emerged in 1971 and infected computers connected to Arpanet .

Anyone who was infected received the following message: “I'm scary, catch me if you can”. Harmless but bold! 4 – Code Red Fourth place is occupied by the Code Red virus. It appeared in July 2001 and infected more than 300 thousand computers in 24 hours. The virus attacked Microsoft's IIS servers, running in the machine's memory without leaving a trace on the HD. After that, it launched a DDoS attack (distributed denial of service attack), as the attackers used the victim's computer (in parallel with thousands of others) to launch simultaneous attacks on several services or websites, which bombarded with more traffic than servers can withstand, which results in disruption of activities.