system
15
I also received the same message. The file was found in C:\Program Files\Canon\CAL. So it was the proper location for the CALMAIN.exe, according to this info:
http://www.file.net/process/calmain.exe.html
I tested this file using following online testers, here are the results (it seemed that I wasn’t the only one who tested this file):
https://www.virustotal.com/en/file/1cf4ca789312b9ab20e00bbfcc20084e6daa797ce64faa78b5dee482d621a289/analysis/1382481053/
https://www.metascan-online.com/en/scanresult/file/9c575d9a4f2e43819a9ad7496f96e907
http://virusscan.jotti.org/en/scanresult/506ab555ded5e1710388d3a64bec87067cf14b3d/67b83c23af82b54ac97745dce79bddf735cbeff0
TL;DR: only Systweak in the metascan tagged it as malware.gen, in other cases nothing was found.