A computer virus can be created maliciously by anyone who wishes to damage systems or computers. They are hidden bits of code that attach themselves to other programs or applications and, when activated, spread like wildfire. Viruses are typically found on documents or programs that were downloaded from the Internet or sent via email. Most countries consider it illegal to create and distribute computer viruses.
In the world of computer viruses, there are many kinds that can infect the system in various ways. Certain computer viruses are dependent on an application in order to begin their work. Others are not dependent and can infect multiple systems without the need for a host. Computer viruses that employ host programs to infect computers are often known as worms while those that don’t use this method of infecting through other programs are known as viruses.
Certain viruses can begin infecting a system as soon as they arrive, while others remain dormant until the user unwittingly executes the code. The first computer virus was created in 1974, and it performed like a biological one by rapidly multiplying itself and causing harm to the system. One example of a destructive virus is the Stuxnet virus specifically designed to destroy computerized centrifuges that were used to enrich the uranium.
It is not for the faint-hearted to attempt this task. However it can be a fun and fascinating way to test your understanding of computer programming languages and systems. There are numerous resources that can teach you how to create a virus if you are willing and willing to put into the effort.