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The 2016 Ransomware Report released by 360 Security Center lately presents that : – 4.9 million computers were attacked in China – 56,000 ransomware infections worldwide only in March 2016 – $ 1 billion dollar source of income for cyber criminals estimated by FBI – Almost half of organizations have been hit with ransomware In January 2016 , three Indian banks ’ and a pharmaceutical company ’s computer systems were infected by ransomware .
 ( ransom: were infected,  computer systems: victim, ransomware: tool, pharmaceutical company: victim, Indian banks: victim, January 2016: 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: were infected,  computer systems: victim, ransomware: tool, pharmaceutical company: victim, Indian banks: victim, January 2016: time) 