Update.7z

Variable (Legitimate if from trusted software; high risk if found in unexpected directories) Update 7z binary and License.txt #39 - GitHub

Some software like the PCSX2 emulator uses update.7z as a staging file during its auto-update process. Users have reported bugs where this file remains in the application directory even after the update is complete. Update.7z

Application binaries, DLLs, configuration data, or license files Variable (Legitimate if from trusted software; high risk