Versions

20.5.0.28	0.72%
20.4.0.40	19.06%
20.3.1.22	8.27%
20.3.0.36	10.79%
20.2.1.22	8.63%
20.2.0.19	14.39%
20.1.0.24	1.08%
19.9.1.14	8.27%
19.9.0.9	13.31%
19.5.0.145	0.36%
19.1.0.28	1.44%
19.0.0.128	0.36%
18.7.2.3	9.35%
18.7.1.3	1.08%
18.6.0.29	0.36%
17.9.0.12	1.80%
16.8.3.6	0.72%

avpapp32.dll has 17 known versions, the most recent one is 20.5.0.28. The average file size is about 429.29 KB. It is an authenticode code-signed executable issued to Symantec Corporation by the certification authority VeriSign. The programs Norton AntiVirus, Norton 360 and Norton AntiVirus Gaming Edition have been observed as installing specific variations of avpapp32.dll.

Symantec Shared Component Antivirus Product Application Module for 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.