The United States announced this on Tuesday a $10 million reward for a Russian hacker suspected of being responsible for cyberattacks against the Washington policeschools and hospitals.

Mikhail Matveyev is accused of using ransomware such as LockBit, Babuk and Hive for extortion from Russia at least 200 million dollars, This is reported by the US Department of Justice.

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There would be “the data of numerous victims encrypted and held hostage, especially from hospitals, schools, associations and the police” such as those in Washington, New Jersey federal prosecutor Philip Sellinger stated. “Wazawaka”, “m1x” or “Boriselcin” would have been some of their false names.

Ransomware access vulnerable computer systems to encrypt or steal data. The hackers then demand payment under the threat of not decrypting or publishing this information. The State Department offered a $10 million reward for information leading to his arrest and conviction.

If caught, Matveev could be sentenced to more than 20 years in prison.