Could you share or what it is supposed to contain so I can give you more specific advice?
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If you did not explicitly expect to receive this file, do not open it. Follow these steps to safely analyze it: Could you share or what it is supposed
Ensure your operating system is set to show file extensions. Attackers sometimes use double extensions like pack j89.rar.exe to trick users. do so only inside a secure
If you must open the file to see what it is, do so only inside a secure, isolated environment like Windows Sandbox or a virtual machine.
for a file named "pack j89.rar".