datalayer.exe is a Trojan W32.Rbot-BNF. datalayer.exe opens a back door on IRC channels. datalayer.exe spreads via open network shares. Related files: %System%\datalayer.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill datalayer.exe process and remove datalayer.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.