What is the most dangerous computer virus ever created?
The most dangerous computer virus ever created is the one that is currently spreading across the internet, known as the “WannaCry” virus. This virus encrypts files on users’ computers and demands a ransom of $300-$600 in order to decrypt and regain access to them. It is estimated that this virus has already affected more than 200,000 computers in over 150 countries. Hospitals, businesses, and government agencies have all been impacted by this virus, with some organizations being forced to shut down completely until they can find a way to remove the virus. The WannaCry virus is particularly dangerous because it takes advantage of a security flaw in Microsoft Windows that was discovered and leaked by a group known as the “Shadow Brokers.” This flaw allows the virus to spread quickly and easily to other computers on the same network, without the need for users to take any action. Once a single computer on a network is infected, the virus can quickly spread to all of the other computers on that network. This makes it very difficult to contain and remove the virus once it has infected a network. The WannaCry virus is a reminder of the dangers that exist on the internet and the importance of keeping your computer’s software up-to-date.
What is the most common type of computer virus?
A computer virus is a type of malware that, when executed, replicates by inserting its code into other computer programs, data files, or the boot sector of the hard drive. When this insertion occurs, the infected program, file, or boot sector is no longer able to perform its original function. The term “virus” is also commonly, but erroneously, used to refer to other types of malware, including adware and spyware programs that do not have the ability to self-replicate.
The most common type of computer virus, by far, is the boot sector virus. Boot sector viruses infect the boot sector of a hard drive, which is the part of the drive that contains the code needed to start up the computer. These viruses prevents the computer from starting up properly, and can be very difficult to remove. Some of the most well-known boot sector viruses include the Jerusalem virus, the CIH virus, and the Win95.Concept virus.
While boot sector viruses are the most common type of virus, there are many other types of malware that can cause serious harm to a computer. Some of these include Trojan horses, which are programs that appear to be benign but actually contain malicious code; rootkits, which are programs that allow an attacker to gain access to a computer without being detected; and botnets, which are networks of computers that have been infected with malware and can be controlled remotely by an attacker.
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