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Q&A

Is It Possible to Make a Computer Virus That Acts as an Anti-virus?

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After receiving answers to this question, I now know that viruses cannot be written in machine code in such a way that they can universally infect all kinds of systems. Every machine has a unique set of instructions, and processes the zeroes and ones in a different way.

Knowing that, I have a follow-up question: Can a virus be made for a system in a way that acts like an anti-virus? In other words, this virus would infect computers and instead of causing damage, it would protect the computer from other viruses?

If the answer is yes it is possible, could this virus be sophisticated enough to automatically update its virus definitions? Perhaps an advanced deep learning algorithm allows this?

Upon trying to research this, I am able to get definitions of anti-virus and definitions of virus, but I haven't had any luck in gaining a good understanding of their possible interchangeability. I know that both of them are software-based, so I'm inclined to say this is possible.

Or would such a program be too large? (most viruses are very small in order to avoid detection, as well as attach themselves to emails or other programs)

UPDATE: For the sake of this question, the virus could be made using modern technology, or future technology with sophisticated artificial intelligence or advanced compression (to make the virus smaller).

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This post was sourced from https://worldbuilding.stackexchange.com/q/157482. It is licensed under CC BY-SA 4.0.

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