If you have encountered an "Update.7z" file and are unsure of its origin, follow these steps to verify it:
A .7z file is a compressed archive created with 7-Zip or other compatible tools. It uses the LZMA/LZMA2 compression algorithms, known for high compression ratios. In most contexts, "Update.7z" is a temporary file downloaded by an application's built-in updater. Update.7z
Application binaries, DLLs, configuration data, or license files If you have encountered an "Update
Variable (Legitimate if from trusted software; high risk if found in unexpected directories) Update 7z binary and License.txt #39 - GitHub Update.7z