Legitimate update binaries inside the archive are often digitally signed by the software vendor.
If you have encountered an "Update.7z" file and are unsure of its origin, follow these steps to verify it:
Use a tool like 7-Zip to view the contents without extracting them. Look for suspicious files like unexpected .dll or .exe files that don't match the software's known components. Technical Summary File Extension .7z (7-Zip Archive) Common Origin Automated software update scripts or installers Typical Contents
Official scripts for Comodo Client - Security use a file named update.7z hosted on their servers to deliver binary updates to Windows systems.
Application binaries, DLLs, configuration data, or license files