A computer virus is a malicious program that is developed by individuals who intend to cause damage or disruption to computers and systems. They are hidden bits of code that connect to other applications or programs, and once activated, they spread like wildfire. Typically, viruses are discovered attached to a file or program that has been downloaded from the internet or distributed via email. Many countries consider it to be illegal to develop and spread computer viruses.
In the world of computer viruses, there are a variety of varieties that can infect a machine in different ways. Certain computer viruses rely on an application in order to begin their work. Others are self-contained and can attack several systems without a host. A computer virus that uses a host program to infect computers is often considered to be a worm, however, those that do not utilize the method of infection through other programs are deemed to be viruses.
Certain viruses are able to begin infecting systems as soon as they arrive, whereas other remain undetected until the user accidentally executes the code. The first computer virus, developed in 1974 and identical to a biological virus, multiplied itself quickly and caused damage to the system. Stuxnet is an example of an extremely destructive computer virus. It was created to destroy computerized centrifuges that were used to enrich the uranium.
It is not for the faint-hearted to attempt this method. It is a great method to test your computer programming expertise. There are numerous resources that can show you how to make a virus if are willing and capable of putting into the effort.
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