A computer virus can be developed maliciously by anyone wishing to harm computers or systems. They are hidden bits of code that hitch with different programs or applications and when activated they spread like wildfire. Viruses are often found on documents or programs that have been downloaded from the Internet or distributed via email. The majority of countries think that creating and spreading the virus on computers is illegal.

There are many different types of computer viruses that be able to infect computers in various ways. Certain computer viruses are dependent on an application to start their work. Others are not dependent and can infect multiple systems without a host. Computer viruses that utilize a host program in order to infect computers are typically referred to as worms, but those that do not employ this method of infecting through other programs are referred to as viruses.

Some viruses infect a system immediately upon entry, whereas others remain dormant and be activated when the user executes the code. The first computer virus, created in 1974 and identical to biological viruses, multiplied rapidly and caused harm to the system. One example of damaging viruses is the Stuxnet virus specifically designed to destroy computerized centrifuges utilized to enrich uranium.

It isn’t for the weak-hearted to attempt this process. However it can be a great and interesting method of testing your knowledge of computer programming languages and systems. If you’re willing put in the effort and time, there are many sources available to guide you through the process of creating an infection.

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