By Katharine Jackson and Raphael Satter

WASHINGTON (Reuters) -The U.S. provided a reward of as much as $15 million for data on the leaders of the infamous cybercrime group Lockbit on Wednesday as police in Ukraine introduced the arrest of a father-son duo alleged to have been concerned with the gang.

The developments are the newest in a collection of actions by worldwide legislation enforcement in opposition to Lockbit, a pacesetter among the many on-line gangs that encrypt victims’ information to extort cash.

The U.S., the UK and the EU introduced this week that they had disrupted the group in an unusually aggressive worldwide legislation enforcement operation that turned the hackers’ personal website in opposition to it. Officers have used the seized net web page to taunt the hackers with forthcoming releases of information and a software for victims of the ransom-seeking gang to decrypt their information totally free. The U.S. has additionally unveiled sanctions and indictments in opposition to two of the group’s key operatives.

In an announcement, the State Division mentioned it could provide as much as $15 million for data resulting in the arrests and convictions of the leaders of the ransomware group.

Ukraine’s police service did not determine the father-son pair however mentioned they seized greater than 200 cryptocurrency accounts and 34 servers utilized by the gang within the Netherlands, Germany, Finland, France, Switzerland, Australia, the US and Britain.

The takedown has been one of the eye-catching in current reminiscence, partly due to the trolling from police. However with most of the key hackers considered past the attain of Western legislation enforcement, specialists mentioned it was a matter of time earlier than these behind Lockbit restarted their operations or drifted towards new cybercrime gangs.

“Whereas there was some arrests, a variety of this has been technical disruption,” mentioned Rafe Pilling, who directs Secureworks’ menace analysis unit. He famous that a variety of Lockbit’s harm was dealt by “associates,” smaller hacking teams that carried out the preliminary break-ins. He mentioned these hackers have been “nonetheless on the market and nonetheless going to do their factor.”

“The menace could also be quickly diminished however the associates proceed to pose an issue,” Pilling mentioned.