Update-hc.zip

Even when legitimate, users often face technical issues with this file.

Legitimate updates always include at least one of the following:

If Update-hc.zip contains only an executable (.exe, .scr, .bat) and no instructions, stop and delete it. Update-hc.zip

The HC-05 and HC-06 are extremely popular Bluetooth transceiver modules for DIY electronics and robotics. Many Github repositories and manufacturer support pages distribute firmware update packages named update-hc.zip. Inside, you typically find:

If you are an Arduino enthusiast or work with embedded systems, this file likely updates your module’s firmware to improve pairing stability or add new AT commands. Even when legitimate, users often face technical issues

Some Chinese or Taiwanese manufacturers of industrial touch panels (e.g., Weintek, Kinco) use “HC” as a model prefix (e.g., HC-9071). Their support teams distribute cumulative patches as Update-hc.zip. The archive often contains:

After extracting the ZIP, it is strongly recommended to verify the integrity of the files using the provided manifest: If Update-hc

Compare the output with the hash listed in update_manifest.json. A mismatch indicates file corruption – do not proceed with the update.

Let’s assume you own an “HC-500” industrial temperature controller, and the manufacturer sent you Update-hc.zip. Here’s the proper workflow:

If you receive an email with Update-hc.zip attached—especially from an unknown sender—treat it as hostile. Common phishing lures include: