We know that today there are millions of worst viruses of computer around the internet, some with the intention of erasing the entire hard drive or steal data from bank accounts.
The most used virus, and perhaps the most well-known, is called Trojan (Trojan horse). The person behind it can obtain passwords, personal data, important documents, and also know everything that is typed on the computer.
Unless the victim uses a good antivirus, the virus is still able to collect personal data even by changing all passwords. Perhaps the only solution is to format the computer, which leads to the loss of all files.
For you to be more attentive, check out the list of the 10 worst PC viruses :
10 - Stoned
It was one of the first computer viruses in history. In 1987, even before the world wide web (www) appeared, that is, before there was an internet, it was already possible to be afraid of viruses. The first threats were passed through floppy disks, which carried the Stoned virus.
The virus received several updates at the time, further increasing the number of computers affected. Stoned marked the beginning of everything.
09 - Jerusalem
This virus was released after Stoned in late 1987. It didn't infect more computers than it did first, but it did as much damage as it did. The Jerusalem virus destroyed .exe files, erasing all infected victims' programs.
08 - Morris Worm
The creator, Robert Tappan Morris, was arrested for computer fraud for creating the first computer worm, literally following the meaning of "Virus".
For the first time, it was possible to have a malicious program that reproduced and spread alone, without human intervention, infecting many public networks and giving headaches to more than 10% of internet users at that time.
07 - Concept
After the 3 worst viruses created in the late 80s, another one appeared, only this time in the 90s. The Concept virus changed shape with each new infection (polymorphic virus), which made its detection more complicated.
The concept virus gained more fame after it infected some Microsoft Word documents.
06 - Melissa
Created in 1999, Melissa was the first virus to self-e-mail itself to more than 50 contacts from each infected person.
With so much e-mail being sent, several servers went down, at the same time that several companies were trying to exterminate the virus.
05 - Love Bug
It was considered the worst destructive virus of all. In just 9 days, Love Bug infected and ruined more than 50 million machines connected to the internet. Its operation was similar to that of the Melissa virus. When the victim opened the infected email, the virus spread and thus obtained data from the computer.
04 - Anna Kournikova
In 2001, the Anna Kournikova virus, named after the tennis player, infected thousands of people. When they opened their e-mails, they came across a link to the supposed photo of the naked player, which was actually the virus.
Anna Kournikova (virus), collected all passwords and data from the "innocent victims".
03 - Code Red
In 2001, Code Red infected most of Microsoft's servers and more than 400,000 computers. It has been classified as a "worm" virus. It spread over systems that had just been cleaned, causing antivirus programmers to tear their hair out.
02 - Nimda
Nimda pretended to be a benign program and even stole millions of dollars. The virus had several methods of spreading and infected most computers in less than 22 minutes.
01 - FLAME virus
Developed not long ago (2012), the flame virus is not like anyone who steals your data to get money, but an invasion of privacy, opening a window in which shows everything that is done on the infected computer, in real-time.
This type of virus is generally used by certain groups to obtain confidential information from rivals or even governments.
Almost all the viruses on this list were created by the biggest hackers in the world, so it is not for nothing that you need to be aware of the threats that appear on the internet, keep in mind the purchase of the best-premium antivirus software and greater care when reading emails.
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