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According to the Cyber Threat Alliance ( CTA ) , the damages caused by CryptoWall 3 , a particular type of ransomware , hit $ 325 million in 2015 alone .
 ( ransom: hit,  CryptoWall 3: tool, ransomware: tool, $ 325 million: price, 2015: time) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( ransom: hit,  CryptoWall 3: tool, ransomware: tool, $ 325 million: price, 2015: time) 