efsui.exe is not a virus or a background process. It is the graphical shell that appears when you right-click a file or folder, go to , and check "Encrypt contents to secure data." When you click "OK," Windows calls upon efsui.exe to handle the cryptographic handshake.
It looks like you’re asking for a explaining a command or process involving efsui.exe and the arguments efs installdra . efsui.exe efs installdra
EFS stands for Encrypting File System, a feature in Windows that allows users to encrypt files and folders on their computer. Introduced in Windows 2000, EFS has been a part of the Windows operating system ever since. Its primary purpose is to protect sensitive data from unauthorized access by encrypting it. Review: EFSUI