The "Gecko" name suggests its contents are designed to interact with Mozilla-based browsers. In security contexts, "loaner" often refers to scripts that automate the setup of a temporary test instance.
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It uses the 7z format , which provides a 30–70% better compression ratio than standard ZIP and supports strong AES-256 encryption .
Official 7-Zip software is safe, but third-party archives like "geckoloaner.7z" can contain Trojans or malicious scripts.