55._c_s_h_a__.zip Direct

: Use a tool like ExifTool to look at the "Create Date" or "Software" tags within the ZIP headers.

If you must look into the contents, do not open the file in a standard environment. Instead, follow these steps: 55._C_S_H_A__.zip

: Generate a SHA-256 hash of the file and search it on VirusTotal. This will tell you if others have flagged it without you needing to open it. : Use a tool like ExifTool to look