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The new ransom note was published in two places on the Dark Web and demanded a payment of 100 Bitcoins , or about $ 340,000 , in return for a private security key that could decrypt any file locked by the Petya / Goldeneye malware .
 ( ransom: demanded a payment,  The new ransom note: tool, 100 Bitcoins: price, $ 340,000: price, the Petya / Goldeneye malware: tool) 
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: demanded a payment,  The new ransom note: tool, 100 Bitcoins: price, $ 340,000: price, the Petya / Goldeneye malware: tool) 