Question

What is a 'program File' virus? How does it infacts the executable files​

Answer 1

Answer:

A file-infecting virus is a type of malware that infects executable files with the intent to cause permanent damage or make them unusable. A file-infecting virus overwrites code or inserts infected code into an executable file.

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Answer 2

Answer:

Am executable virus is a non resident computer virus that stores itself in an executable file and infects other file each time the file is run.The majority of all computer viruses are spread when a file executed or opened.