“After examining a sample of malware, we found out that this Trojan, although it masquerades as a ransomware and extorts money from the victim for ‘decrypting’ data, does not actually encrypt, but purposefully destroys data in the affected system,” Kaspersky’s report stated. “Moreover, an analysis of the Trojan's program code showed that this was not a developer's mistake, but his original intention.”

https://arstechnica.com/information-technology/2022/12/never-before-seen-malware-is-nuking-data-in-russias-courts-and-mayors-offices/