How to clean the backside of the display?

I have a canon powershot sx500 is camera and I used it in some chilled area in my country. After someday I monitored there were some fungus like stuff in the display backside. Is there anyway to clean this out by my self.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0