Versions

2.0.3924.38090	3.51%
2.0.3889.37300	1.75%
2.0.3875.36575	1.75%
2.0.3860.36725	1.75%
2.0.3825.39797	3.51%
2.0.3822.39803	1.75%
2.0.3820.14196	3.51%
2.0.3783.37522	7.02%
2.0.3758.8360	1.75%
2.0.3734.37510	1.75%
2.0.3728.37142	3.51%
2.0.3726.17644	10.53%
2.0.3721.33067	3.51%
2.0.3693.42531	10.53%
2.0.3693.39720	1.75%
2.0.3685.42372	1.75%
2.0.3674.16077	3.51%
2.0.3665.39768	1.75%
2.0.3615.38682	3.51%
2.0.3601.40301	3.51%
2.0.3503.38452	3.51%
2.0.3497.43091	3.51%
2.0.3497.38894	1.75%
2.0.3497.38572	7.02%
2.0.3482.36898	3.51%
2.0.3478.18770	1.75%
2.0.3452.36871	3.51%
2.0.3343.28330	1.75%
2.0.3321.40393	1.75%

mom.implementation.dll has 29 known versions, the most recent one is 2.0.3924.38090. The average file size is about 104 KB. This is a .NET Common Language Runtime (CLR) assembly.

AMD Catalyst is a device driver and utility software package for ATI line of video cards. The Catalyst driver package includes the ATI Catalyst Control Center, an application for manipulating many of the hardware's functions, such as 3D settings, monitor controls and video options. It shows a small 3D preview and allows the user to see how changes to the graphics settings affects the quality of the rendered image. It also shows information about the card itself and the software data.