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The main routine has the same payload, but the files differ in shape and size. This indicates that the virus replicates, but the “replica” is not an exact copy of the original. You may have seen the term polymorphic virus.
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#Malwarebytes home vs business code
We can distinguish between different forms of replication. Viruses can replace other files with a copy of themselves or attach their code to existing executables. As we concluded that viruses are malware, but only malware that can replicate itself is considered a virus. This is because the replication factor is very important in the definition of a virus. I put emphasis on “can replicate itself” for a reason. Besides malware, there is also Adware, which most of the time qualify as potentially unwanted programs ( PUPs), and are usually easy to remove. Well known other types of malware are Ransomware, Trojans and Spyware. Looking at the definitions we can learn that a virus is a type of malware, but not all malware are viruses. Virus: a program, or piece of code, that runs against your wish and can replicate itself. The bad intentions can be aimed at you or at your computer. Malware: the word comes from malicious software, so it includes everything that runs on a computer, or other device, with bad intentions. Have you ever given up, when you were trying to explain the difference between viruses and malware? I must admit that I have.