Versions

12.11.2.9	2.83%
12.11.2.9	1.70%
12.11.0.16	2.27%
12.11.0.16	0.85%
12.10.0.42	1.70%
12.10.0.42	0.28%
12.10.0.30	0.28%
12.10.0.30	0.28%
12.3.3.2	16.71%
12.3.3.2	8.22%
12.3.1.2	15.58%
12.3.1.2	6.23%
12.2.1.4	9.63%
12.2.1.4	3.68%
12.2.0.8	18.41%
12.2.0.8	5.10%
12.1.1.5	0.85%
12.1.1.5	0.28%
12.1.0.38	4.82%
12.1.0.38	0.28%

There are 20 versions of ccl120u.dll in the wild, the latest version being 12.11.2.9. The average file size is about 863 KB. The file is a digitally signed and issued to Symantec Corporation by VeriSign. The programs Norton Internet Security, Norton AntiVirus and Symantec Endpoint Protection have been observed as installing specific variations of ccl120u.dll.

Symantec Library 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.