Nowadays the world is afraid of a COVID-19, but that does not mean that our computers and smartphones have suddenly become safe from more... ethereal ailments. Hackers still do their best to break into and rob our devices, working tirelessly to create new and better computer viruses. Most of that malware comes and goes with just minimal notice, but some of them have become so "successful" that their names have been remembered. These are some of these virues.
1. Conficker. Made in 2009, Conficker has infected 9 million CPU's in just 2 weeks. Its new versions are being made to this day. Conficer is difficult to find and also knows how to install itself on a device it has been removed from.
2. MyDoom. Virus from 2014, it can open a way into any device's backdoor. MyDoom has pretty much crippled Google by taking control over millions of e-mail accounts and spamming the company's mailbox.
3. I LOVE YOU. Possible the most notorious of the viruses to date, I LOVE YOU hails from the old, dark times of 2000. It was sent to millions of people as an e-mail appendix. That virus not only stole personal data but also deleted all the files found on an infected computer. I LOVE YOU is the reason for being paranoid when opening mail from an unknown source.
4. Fizzer. Made in 2003, Fizzer was the first virus made by "professional" hackers in order to make them money. It could take control over its victims' mailboxes and then block servers by spamming them. Similiarly to I LOVE YOU, it infected devices via e-mail attachments.
5. Petya/Not Petya. The newest and most devastating of viruses on this list, P/NP made its way to the newspapers in 2017. It was a ransomware, blocking access to electronic devices unless the ransom was paid. Petya/Not Petya crippled Ukraine's government, Rosnieft oil company as well as many other institutions, costing its victims around 10 billion USD overall.