: If a 10MB file claims to contain 100GB of data in the preview, delete it immediately.
The danger of malignant .7z files is amplified by vulnerabilities within the 7‑Zip software itself. These flaws allow a malicious archive to compromise a system even before the user explicitly executes a contained payload. malignant.7z
If you need to view or "make a text" (extract information) from such a file for security research: Use a Sandbox : If a 10MB file claims to contain
The user clicks the malicious executable inside the archive, often disguised with a fake document icon. malignant.7z