3627
This hacker / group is asking for 0.15 Bitcoin ( ~ $ 150 ) , and he 's using a lengthier ransom note , in which he admonishes victims for leaving their DB open over the Internet .
 ( ransom: is asking for,  This hacker / group: attacker, 0.15 Bitcoin: price, $ 150: price, using a lengthier ransom note: attack pattern, leaving their DB open over the Internet: attack pattern, he: attacker, victims: victim) 
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: is asking for,  This hacker / group: attacker, 0.15 Bitcoin: price, $ 150: price, using a lengthier ransom note: attack pattern, leaving their DB open over the Internet: attack pattern, he: attacker, victims: victim) 