Chapter 1 - Computer Virus

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Across
  1. 2. bulk advertisements on system
  2. 3. solution to virus
  3. 6. example of antivirus
  4. 7. appears safe but steals information
  5. 9. prevents communicating with untrusted sites
Down
  1. 1. a person who creates virus
  2. 4. must to do before copying file in a pendrive
  3. 5. duplicates itself
  4. 8. system applications don't respond