DLL-Files.com Support Says
Used together with: a "Hack Program" for the game "Clash of Clans".
Currently many are requesting and searching for a file named coc_packet_loader_ms.dll.
From what we have managed to find regarding this file online, it is requested by a "Hack Program" for the game "Clash of Clans".
This program is used for cheating.
We have not been able to find a single copy of this file, and I personally doubt, that even if one found the file, it would help you in cheating.