Use a tool like VirusTotal to upload the file (or its URL) and check it against dozens of antivirus engines.

Based on current technical and security databases, is not a standard or widely recognized software package, system update, or official driver.

Only download archives like this from reputable community forums or official sites.

Because this file does not belong to a verified software developer, you should exercise extreme caution before opening it:

Files with generic naming conventions like "pack [number].rar" are often associated with the following categories:

Do you have the or know which application/game this file is supposed to be for so I can help you verify it?