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