Eucfg.bin -
A: Very unlikely. Some old educational games from the early 2000s used custom .bin files, but none followed the "Eucfg" naming convention. Scan that file immediately.
Eucfg.bin is often read by a service that has low-level disk access (necessary for partition management and data recovery). This behavior—direct disk read/write—is identical to what ransomware does before encrypting your files. Heuristic detection flags the behavior, not the file itself. Eucfg.bin
During a data recovery scan, EaseUS builds a map of deleted files. Instead of rescanning from scratch every time, it caches this map inside Eucfg.bin. This speeds up subsequent scans considerably. A: Very unlikely