Security News > 2021 > June > Healthcare giant Grupo Fleury hit by alleged REvil ransomware attack
Brazilian medical diagnostic company Grupo Fleury has suffered a ransomware attack that has disrupted business operations after the company took its systems offline.
Grupo Fleury is the largest medical diagnostics company in Brazil, with over 200 service centers and more than 10,000 employees.
Starting yesterday, the Fleury website began displaying an alert warning that they suffered an attack and that systems are no longer accessible.
Multiple cybersecurity sources have told BleepingComputer that Grupo Fleury suffered an attack by the ransomware operation known as REvil, also known as Sodinokibi.
In a sample of the ransomware used in the attack and shared with BleepingComputer, the REvil ransomware operation is demanding $5 million to receive a decryptor and not leak allegedly stolen files.
BleepingComputer has contacted Grupo Fleury with further questions but has not received a response at this time.
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