nawdll32.exe is a Trojan W32.Sdbot-ZM. nawdll32.exe opens a back door. nawdll32.exe spreads via open network shares. nawdll32.exe tries to terminate antiviral programs installed on a user computer. nawdll32.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\nawdll32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill nawdll32.exe process and remove nawdll32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.