NDDENB.exe is a Trojan Trojan.PWSYahoo-A. NDDENB.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %Windows%\NDDENB.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill NDDENB.exe process and remove NDDENB.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.