Before you delete anything, check if your security software "stole" the file.
is a binary data file typically associated with the software suite, specifically used for configuration and settings. While there is no widely published academic "white paper" solely dedicated to this specific file, it is documented as a component of the or similar electronic fiscal terminal systems.
If the file is missing or corrupt, you will likely see a "program can't start" error when trying to open EaseUS software .
Eucfg.bin is typically not user-editable in standard workflows. Manufacturers provide tools to modify embedded configurations: