Ransomware operators have been observed deploying a vulnerable Paragon Hard Disk Manager driver in attacks and exploiting it to elevate their privileges to System.
The driver, Biontdrv.sys, which is part of Hard Disk Manager and other products that rely on it, such as Paragon Partition Manager and Backup and Recovery, contains five vulnerabilities that allow attackers to elevate privileges or cause a denial-of-service (DoS) condition.
https://www.securityweek.com/vulnerable ... e-attacks/