The filename indicates this version was distributed by "ChingLiu," a well-known uploader in the software enthusiast community active during the early 2010s. While his releases were historically popular for bypassing official activation requirements, users should exercise caution as third-party modifications to security software can bypass official integrity checks.
Downloading software from unofficial sources (like .rar archives) poses a massive risk of trojans or backdoors. The filename indicates this version was distributed by
It is important to note that the version you described is an unauthorized distribution, which carries significant risks: Acronis True Image Home 2013 16 Build 5551 Final Plus Pack The filename indicates this version was distributed by