It was filmed using the same 3D technology seen in major Hollywood productions, moving away from the "post-conversion" style.

A: "x" indicates a specific codec group (e.g., x264). Legitimate copies don't use this notation. It's a signature of warez scene releases.

The specific string you provided, , is a common format for files found on movie piracy and torrenting websites. If you are looking for information or "useful papers" regarding this specific movie or the risks of downloading such files, 1. Movie Information: Haunted - 3D (2011) Genre & Significance : Haunted – 3D