Top file variants for cltrt.exe

Users	Filename	Product	Company	Version	Variant
25%	%PROGRAMFILES% \ Norton Internet Security \ Engine \ 21.6.0.32 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	28559975
16.67%	%PROGRAMFILES% \ Norton 360 \ Engine \ 21.6.0.32 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	28802350
8.33%	%PROGRAMFILES% \ Norton Security Suite \ Engine \ 21.5.0.19 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	27512507
8.33%	%PROGRAMFILES% \ Norton AntiVirus \ Engine \ 21.6.0.32 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	28905499
4.17%	%PROGRAMFILES% \ Norton Internet Security \ Norton Internet Security \ Engine \ 20.4.0.40 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	13.4.0.12	21935932
4.17%	%PROGRAMFILES% \ Norton Internet Security \ Engine \ 21.2.0.38 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	23865524
4.17%	%PROGRAMFILES% \ Norton 360 \ Engine \ 21.6.0.32 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	29006837
4.17%	%PROGRAMFILES% \ Norton 360 Premier Edition \ Engine \ 20.4.0.40 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	13.4.0.12	22062277
4.17%	%PROGRAMFILES% \ Norton Internet Security \ Engine \ 21.7.0.11 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	32123943
4.17%	%PROGRAMFILES% \ Norton Security Suite \ Engine \ 21.3.0.12 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	25595150
4.17%	%PROGRAMFILES% \ Norton Identity Safe \ Engine \ 2013.4.0.10 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	13.4.0.12	23188826
4.17%	%PROGRAMFILES% \ Norton 360 \ Engine \ 21.6.0.32 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	28949798
4.17%	%PROGRAMFILES% \ Norton Security Suite \ Engine \ 21.7.0.11 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	33137447
4.17%	%PROGRAMFILES% \ Norton Internet Security \ Engine \ 21.5.0.19 \ cltrt.exe	Symantec Shared Components	Symantec Corporation	14.2.0.9	27253460

You can also check global information about cltrt.exe.