German Authorities Identify Russian National Behind Ransomware Groups GandCrab and REvil

German authorities identified 31-year-old Russian national Daniil Maksimovich Shchukin as the individual behind the "UNKN" alias, who led the ransomware groups GandCrab and REvil. Between 2019 and 2021, Shchukin was linked to at least 130 cyberattacks involving computer sabotage and extortion targeting victims in Germany. The German Federal Criminal Police attributed the operations to him following an investigation into the groups' activities. No specific technical details or CVE IDs were disclosed in the report. The attacks primarily involved ransomware deployment for financial extortion.