Additional versions

7.5.0.64	35.33%
7.5.0.64	1.09%
7.5.0.59	0.54%
7.5.0.58	2.17%
7.1.0.37	4.35%
7.1.0.31	0.54%
7.1.0.29	2.72%
7.0.0.59	0.54%
6.9.0.47	16.85%
6.9.0.45	2.17%
6.8.1.20	0.54%
6.8.0.66	0.54%
6.6.0.7	2.17%
6.5.0.24	0.54%
6.0.0.94	27.72%
6.0.0.94	0.54%
5.8.0.13	1.09%
5.0.0.218	0.54%

DING Service is part of Norton Internet Security, a PC program that provides malware prevention and removal during subscription period and uses signatures and heuristics to identify viruses, trojans and other malware. Norton Internet Security features include a email spam filtering, personal firewall, and phishing protection.

dimaster.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Toshiba Laptop Checkup published by Symantec Corporation, Norton PC Checkup from Symantec Corporation and Norton PC Checkup by Symantec Corporation. The file is digitally signed by Symantec Corporation which was issued by the VeriSign certificate authority (CA).