Virus and Malware Attacks

In today's world, viruses and malware are rife; there are many different variants, and we will look at each of these in turn:

• Virus: A virus is a program that embeds itself in another program and can be executed in many different ways; for example, by clicking on a link on a web page, or by opening up an email attachment. Once it has been activated, it replicates itself, going from host to host. A lot of viruses use port 1900.
• Polymorphic Virus: This virus mutates as it spreads so that it is difficult to detect. The hash value changes as it mutates and it may cause a program error if not found.
• Potentially Unwanted Programs (PUPs): These are programs that are downloaded with other programs and they tend to use resources and slow your computer down. Installing Malwarebytes would alert you to them being installed.
• Fileless Virus: This virus runs in memory and is very hard to identify as it piggybacks itself onto other programs, phishing...