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Using " scareware " messages and posing as law enforcement , the scammers used the pop - ups to extort money in the form of iTunes gift cards from the victim , promising to unlock the browser for a sum of money .
 ransom: extort money
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: extort money