Ransomware Roundup: 05.07.22

This report summarizes recent ransomware and malware activity: REvil appears to be resurging despite arrests, AvosLocker samples have been observed abusing a legitimate Avast anti-rootkit driver to disable security products, BlackCat (a Rust-based RaaS) has compromised at least 60 entities and is actively shaming victims, and researchers have disclosed an exploit technique that can prevent some ransomware from performing encryption.