Botnet malware also supposedly distributed by the defendant
https://www.bleepingcomputer.com/news/security/alleged-ukrainian-malvertiser-extradited-faces-hacking-charges/
A 31-year old Ukrainian national named Oleksii Petrovich Ivanov who allegedly ran multiple malvertising campaigns between October 2013 through May 2018 was extradited to the U.S. from the Netherlands and is facing hacking charges.
Ivanov got arrested on October 19, 2018, by the Dutch authorities following an investigation conducted by the U.S. Secret Service Criminal Investigations in collaboration with the National High Tech Crime Unit of the Dutch National Police and UK's National Crime Agency.