Variable (Legitimate if from trusted software; high risk if found in unexpected directories) Update 7z binary and License.txt #39 - GitHub
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
All jobs. Filter by job status. macOS. Linux. Run details. Usage. Workflow file. UsageWorkflow file. Triggered via push last year. Variable (Legitimate if from trusted software; high risk
Given that attackers use this generic name to hide malicious payloads, always scan the file with an antivirus or upload it to a service like VirusTotal before attempting to open it. All jobs
Legitimate update binaries inside the archive are often digitally signed by the software vendor.
Application binaries, DLLs, configuration data, or license files
Security researchers at Check Point Research recently identified a malicious update.7z archive used in targeted attacks. This specific version contained a legitimate 7z.exe binary alongside a malicious DLL ( iscsiexe.dll ) used for post-compromise activities. File Identification & Safety