Muslim leaders and organizations around the world condemning the attack: http://www.rawstory.com/rs/2015/01/46-examples-of-muslim-out...
Some of the greatest Muslim scholars (who the masses follow) had to say about it: http://www.onislam.net/english/shariah/special-coverage/4816...
http://www.huffingtonpost.com/2015/01/07/muslims-respond-cha...
http://www.democracynow.org/2015/1/7/leading_muslim_scholar_...
I can go on and on but I think you get the picture. Practicing orthodox Muslims (notice I didn't say "moderate Muslims") are NOT quiet on this.