Sophisticated malware sometimes names a folder using reserved device names (e.g., C:\aux or C:\con ). Windows forbids creating these folders normally, but by using specific API calls or UNC paths ( \\?\C:\aux ), malware can create a folder that Windows Explorer cannot browse or delete.
To permanently unhide a file:
(Optional) Uncheck if you are performing advanced system repairs. Using Command Prompt (CMD) unhide files
: Type attrib -h -s "C:\Your\Folder\Path" and press Enter. unhide files