[BitPaymer](https://attack.mitre.org/software/S0570) is a ransomware variant first observed in August 2017 targeting hospitals in the U.K. [BitPaymer](https://attack.mitre.org/software/S0570) uses a unique encryption key, ransom note, and contact information for each operation. [BitPaymer](https://attack.mitre.org/software/S0570) has several indicators suggesting overlap with the [Dridex](https://attack.mitre.org/software/S0384) malware and is often delivered via [Dridex](https://attack.mitre.org/software/S0384).(Citation: Crowdstrike Indrik November 2018)