Virus

123456
Across
  1. 1. A resident virus that affects the CMOS settings.
  2. 3. A file infector virus.
  3. 4. A macro virus that caused widespread email issues.
  4. 6. A ransomware attack that spread globally.
Down
  1. 2. A boot sector virus named after an artist.
  2. 5. A polymorphic virus with changing characteristics.