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Kettell Video Productions was targeted by tech scammers who infected its IT systems with viruses before demanding £ 1,000 in online currency Bitcoins or the files would be permanently deleted .
 ransom: demanding
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: demanding