a $ 55,000 ransomAttack.Ransomto hackers to regain access to its computer systems , hospital officials said . Part of the health network had been held hostageAttack.Ransomsince late Thursday , when ransomware locked files including patient medical records . The hackers targeted more than 1,400 files , the names of every one temporarily changed to “ I ’ m sorry. ” They gave the hospital seven days to payAttack.Ransomor the files would be permanently encrypted , officials said . An analysis since the attack confirmed no personal patient information was takenAttack.Databreachby the hackers , believed to be located in eastern Europe , said Hancock Health CEO Steve Long . The affected files were backed up and could have been recovered , but restoring them would take days — maybe even weeks — and would be costly , Long said . From a business standpoint , paying a small ransomAttack.Ransommade more sense , he said . The hacker asked forAttack.Ransomfour bitcoins — a virtual currency used to make anonymous transactions that are nearly impossible to trace . At the time of the transfer , those four bitcoins were valued at about $ 55,000 .