Safe guarding your computer

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Across
  1. 2. The malware repeatedly creates copies of itself on the same computer.
  2. 3. Malware may cause the computer to __________ again and again.
  3. 7. It is one of most destructive and dangerous trojan.
  4. 8. The __________ malware was designed to steal banking information.
Down
  1. 1. The malware locks a computer and demands money to unlock it.
  2. 4. Malware that displays unwanted advertisements on the computer screen is called __________.
  3. 5. A set of programs that identify and remove malware is known as __________ software.
  4. 6. The __________ worm spread through emails about approaching bad weather.