If automatic methods fail, you can manually download a clean version of efsui.exe from a trusted source and place it in the correct System32 directory.
Once installed, you can mount your file system using the specific efs type rather than nfs4 . efsuiexe efs installdra better
Look for Event ID 5008, 5009, or 5010 in the Application log. These can indicate problems with the DRA certificate or with efsui.exe . If automatic methods fail, you can manually download
Advanced attackers sometimes use "Living-off-the-Land" techniques—using legitimate, built-in Windows utilities to perform malicious actions. In rare scenarios, rogue actors or customized ransomware variants have attempted to force EFS to encrypt user directories maliciously. By utilizing the operating system’s own native encryption capabilities, the attack tries to bypass standard endpoint detection tools that look for unverified third-party encryption binaries. How to Verify Legitimacy These can indicate problems with the DRA certificate