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Locky , which uses massive spam campaigns as a major distribution vector , only surfaced in 2016 but has rapidly become one of the most popular tools for cybercriminals , part of a growing trend for ransomware cyberattacks that encrypt data on the target machine and demand payment in return for decrypting it .
 ransom: ransomware cyberattacks
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 ransom: ransomware cyberattacks