Versions

20.5.0.28	0.85%
20.4.0.40	18.72%
20.3.1.22	9.36%
20.3.0.36	10.64%
20.2.1.22	8.09%
20.2.0.19	16.17%
20.1.0.24	1.28%
19.9.1.14	6.38%
19.9.0.9	14.04%
19.5.0.145	0.43%
19.1.0.28	0.85%
18.7.2.3	8.09%
18.7.1.3	0.85%
18.6.0.29	0.43%
17.9.0.12	1.28%
16.8.3.6	0.85%
15.5.0.32	0.43%
15.0.5.5	0.43%
15.0.0.178	0.43%
10.2.0.50	0.43%

imcfg.dll has 20 known versions, the most recent one is 20.5.0.28. The average file size is about 69.08 KB. It is an authenticode code-signed executable issued to Symantec Corporation by the certification authority VeriSign. The programs Norton Internet Security, Norton Internet Security (Symantec Corporation) and Norton Internet Security CBE have been observed as installing specific variations of imcfg.dll.

Norton Internet Security, by Symantec Corporation, is 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.