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Rising Bitcoin prices force Cryptolocker ransomware scammers to drop asking price Bitcoin 's wild fluctuations have forced a price update to the Cryptolocker ransomware .
 ransom: drop asking price
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: drop asking price