A computer virus is a harmful program that is created by individuals who want to cause harm or disruption to computers and systems. They are hidden bits of code that are attached to different programs or applications and, when activated, spread like wildfire. Viruses are typically found attached to programs or documents that were downloaded from the internet or transmitted via email. The majority of countries think that the creation and spread of computer viruses is a crime.

There are a variety of computer viruses that infect machines in different ways. Some depend on a host program to start their work however, others are completely independent and can infect multiple systems without the need for a host. A computer virus that makes use of host programs to infect computers is often considered to be a worm, and those that do not use the method of infection by other programs are believed to be viruses.

Certain viruses infect systems immediately upon arrival, while others remain dormant, and only become active when the user executes the code. The first effective paid advertising tips computer virus was developed in 1974 and similar to a biological virus, spread rapidly and caused harm to the system. Stuxnet is an example of an extremely destructive computer virus. It was designed to destroy computerized centrifuges that were used to enrich uranium.

The process of creating viruses can be quite complex and not for those who are not experienced. However it can be a great and exciting way to test your understanding of computer programming languages and systems. There are a lot of resources that can teach you how to make a virus if are willing and capable of putting in the effort.