The version you're referring to, "7.7.1 20130111 Repack", seems to be a specific build of the software. Here's a breakdown:
: Extracts a standalone version that runs without installation. Select Components xilisoft video converter ultimate 77120130111 repack
The term "repack" signifies that the software has been modified from its original installer by a third party. The version you're referring to, "7
: Allows you to convert multiple files simultaneously to save time. or encountering an installation error Xilisoft Video Converter Ultimate Tutorial The version you're referring to