2281
The research team at Check Point found that one of the pre-installed malwares was Slocker , a mobile ransomware , that uses the Advanced Encryption Standard ( AES ) encryption algorithm to encrypt all files on the device and demand ransom in return for their decryption key .
 ransom: demand ransom
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: demand ransom