Does anybody know anything about "plugin.dimdimsecure.com"?

Hi

I have discovered, using Win's ressources manager that quiet a few programs are connected to plugin.dimdimsecure.com, including Western Digital's drive service.

Thanks in advance
Y-Phil

Sysinfo:

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows*7 Édition Intégrale, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i7 CPU 870 @ 2.93GHz, Intel64 Family 6 Model 30 Stepping 5
Processor Count: 8
RAM: 8190 Mb
Graphics Card: NVIDIA GeForce GTX 670, -2048 Mb
Hard Drives: C: Total - 200697 MB, Free - 47173 MB; D: Total - 284981 MB, Free - 69242 MB; E: Total - 465994 MB, Free - 99575 MB; H: Total - 14213 MB, Free - 8208 MB; M: Total - 100006 MB, Free - 29640 MB; N: Total - 799999 MB, Free - 39278 MB; S: Total - 86101 MB, Free - 73807 MB; T: Total - 3663 MB, Free - 1981 MB; U: Total - 35998 MB, Free - 3140 MB; Y: Total - 85007 MB, Free - 52456 MB; Z: Total - 429997 MB, Free - 45754 MB;
Motherboard: ASUSTeK Computer INC., P7P55D-E
Antivirus: Microsoft Security Essentials, Updated and Enabled
MalwareBytes Pro enabled and updated as well