Chapter 11, Problem 11Q

Explanation of Solution

Computer virus:

• Computer virus is a program that controls the computer without the knowledge of the user.
• It causes various damages by altering the program files, data, and components of the operating system so it leads to system damage.
• Some types of computer viruses are,
  • Macro virus.
  • Boot sector virus.
  • Polymorphic virus.
  • File infector virus.

Macro virus:

• Macro virus is a type of virus present in the macro file.
• Macro files are present in spreadsheet, database, and word processing document.
• This virus gets activated once the macro application containing virus is executed.

Boot sector virus:

• Boot sector virus is a type of virus present in the removable media...

Explanation of Solution

Ransomware:

• Ransomware is a type of malicious software that typically comes when the user downloads a file containing the ransomware or runs a script on a website.
  • Once it comes, it takes a v target’s data hostage and demands a ransom to release it...