While devices like COLDCARD do export backups as AES-encrypted .7z files , these are generated by the user on their own device and named specifically by the hardware—not downloaded as a "Cold Wallets All" package. Recommended Action Plan
If you downloaded this file from an email, a social media link, or a non-official repository, it is likely a malicious package . Cold Wallets All.7z
Providing the source can help determine if it is a known phishing campaign or a specific forensic sample. While devices like COLDCARD do export backups as
Unsolicited .7z archives or those found on third-party forums/piracy sites often contain info-stealers or ransomware. Legitimate cold wallet software is distributed as standalone executables (e.g., .exe , .dmg , .appimage ) directly from official manufacturer sites, not as bulk archives. a social media link