: The .zip extension is used to bypass basic email security filters that might block .exe or other executable files.

: If this is a work-related email, report it to your IT or security department immediately so they can block the sender for others.

"RJ379852.zip" is a specific file name that strongly resembles a common pattern used in . These files are often sent as attachments in emails that mimic legitimate shipping notifications, tax invoices, or purchase orders to trick users into downloading and opening them. Common Characteristics