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Which of the following malware types locks a victim's data and demands payment to unlock it ?

  • A.Trojan Horse
  • B.Spyware
  • C.Ransomware
  • D.Worm

Answer: C

The malware is Ransomware.

Ransomware encrypts or locks a victim's files or system and demands payment, often in cryptocurrency, for the key to unlock them, as in the WannaCry attack of 2017.

A Trojan horse disguises itself as useful software, spyware secretly collects information, and a worm spreads itself across networks; none of them is defined by holding data to ransom.

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