1) I Love You-
I love you every computer expert knows about this virus and by expert I mean every person who has even a little knowledge of computer. This virus became very famous shortly after its arrival because it would probably have entered their computer even if every boy without a girlfriend, even married. After all, the work of reaching this virus was done through email, that too love letter. Like, if a man is sitting in front of him, he will surely come under the greed of love; neither they used to open it and become a victim of it. This virus spreads in the entire computer system and crashes the entire system that is connected to that computer, and the whole computer was completely shut down for some time, even for several days.
2) Crypto locker
Crypto Locker is typically propagated as an attachment to a seemingly innocuous email message, which appears to have been sent by a legitimate company. A ZIP file attached to an email message contains an executable file with the filename and the icon disguised as a pdf file, taking advantage of Windows' default behavior of hiding the extension from file names to disguise the real. EXE extension. Crypto Locker was also propagated using the Game over Zeus Trojan and botnet.
The payload installs itself in the user profile folder and adds a key to the registry when the first run, which causes it to run on startup. It then attempts to contact one of several designated command and control servers; once connected, it generates a 2048-bit RSA key pair and sends the public key. Back to the infected computer. The server may be a local proxy. And go through others, frequently relocated in different countries to make tracing them more difficult.
3) Code RED
Code Red must have been heard many times, it is considered to be a danger signal, which is especially used by the army police, but do you know that a virus was also born by this name, not a germ virus but a computer virus which is a threat to computers. Proved. This virus spreads through the Internet, so it is tough to eliminate it, but people are trying their best to remove it, it can come from any web, but you do not need to panic because Microsoft broke it. And have installed security in each of your windows. This virus blocks internet service and even crashes it; it also crashes software and applications. This virus is like a bug.
4) Nimda
Nimda is such a word that the mouth is paralyzed in hearing and speaking, but do not go by its word, it is also one of the dangerous computer viruses, which once entered the computer, either the computer has to be completely reset or else It is read to throw the computer because this virus has some such dangerous properties. First, it reaches the computer via email and spreads itself throughout the system by making many copies; as bees do, a queen bee lays eggs and spreads them everywhere after hatching.
Due to this, the computer cannot eliminate them, and by sending a signal to the attacker, the whole computer gets under its control, then that hacker or that computer. If he earns money from the information received from him, either by blackmailing the victim or using those data for wrong work, then beware of the computer virus.
5) Wanna cry
Want a cry Don't go by its words; even though they contain the word cry, it makes the victim cry and makes the hacker happy. The name of this virus is the same work, it comes through email and gets into the computer and then locks it, whose password is only with the hacker, and he opens it sitting in his house and then locks it. For which the hacker demands money from the victim. And the brother is a victim; he gets caught in this trap and gives money to the hacker, and what does the hacker believe? He may even open the computer or not.
So these were some dangerous viruses of the world which became very famous. If you ever fall into such a trap, then my opinion is that you should take the help of the police.
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