3742
Once users activated the file attached in the email , their files were encrypted and had to pay the distributor a certain ransom to decrypt these files .
 ransom: had to pay
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: had to pay