Some malware resides in the Master Boot Record (MBR) or creates hidden partitions. Logical formatting often misses these areas. Zero-filling the entire disk ensures all sectors, including the first ones containing the MBR, are wiped clean.
Mastering the USB Low-Level Format: A Complete Guide to Reviving Corrupted Drives
Here is a helpful guide on how to achieve these results safely.
This powerful procedure is not a daily maintenance task. It is typically reserved for specific, stubborn scenarios where a standard format has failed or is insufficient. Here are the most common reasons to use it:
Plug the USB directly into a PC port (avoid hubs).
October 26, 2023 Subject: Investigation into "USB Low-Level Format": Definitions, Feasibility, Risks, and Tools