In January 2022, KrebsOnSecurity identified a Russian man named Mikhail Matveev as “Wazawaka,” a cybercriminal who was deeply involved in the formation and operation of multiple ransomware groups. The U.S. government indicted Matveev as a top ransomware purveyor a year later, offering $10 million for information leading to his arrest. Last week, the Russian government reportedly arrested Matveev and charged him with creating malware used to extort companies. An FBI wanted poster for Matveev. Matveev, a.k.a. “Wazawaka” and “Boriselcin” worked with at least three different ransomware gangs that extorted hundreds of millions of dollars from companies, schools, hospitals and government agencies, U.S. prosecutors allege. Russia’s interior ministry last week issued a statement saying a 32-year-old hacker had been charged with violating domestic laws against the creation and use of malicious…