ION Group declined to comment on the statement. Lockbit communicated the claim to Reuters via its online chat account on Friday but declined to clarify who had paid the money – saying it had come from a “very rich unknown philanthropist.”
The Lockbit representative said there was “no way” it would offer further details.
The FBI did not immediately reply to a request for comment. Britain’s National Cyber Security Agency, part of Britain’s GCHQ eavesdropping intelligence agency, told Reuters it had no comment.
The ransomware outbreak that erupted at ION on Tuesday has disrupted trading and clearing of exchange-traded financial derivatives, causing problems for scores of brokers, sources familiar with the matter told Reuters this week.
Among the many ION clients whose operations were likely to have been affected were ABN Amro Clearing and Intesa Sanpaolo, Italy’s biggest bank, according to messages to clients from both banks that were…