dsudefragsrv64.exe runs as a service under the name DSUDiskOptimizer within the local user context. This is typically installed with the program Disk Speedup published by Systweak Inc and is most likely removed by most users once installed (59% removed). The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by Systweak Software which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Windows 8 (6.2.9200.0).

CPU
Total CPU:	0.00015622%	0.028634%
Kernel CPU:	0.00010414%	0.013761%
User CPU:	0.00005207%	0.014873%
Kernel CPU time:	21,875 ms/min	100,923,805ms/min
Memory
Private memory:	2.78 MB	21.59 MB
Private (maximum):	3.29 MB
Private (minimum):	3.26 MB
Non-paged memory:	2.78 MB	21.59 MB
Virtual memory:	26.73 MB	140.96 MB
Virtual memory (peak):	27.86 MB	169.69 MB
Working set:	3.29 MB	18.61 MB
Working set (peak):	3.3 MB	37.95 MB
Resource allocations
Threads:	5	12
Handles:	62	600