597
The malware continued to cause problems and , in mid-2016 , its attacks were estimated to have resulted in tens of millions of dollars in ransoms paid .
 ransom: attacks
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: attacks