msnmsgr16.exe is a network worm W32.Rbot-RZ. msnmsgr16.exe opens a back door on IRC channels. msnmsgr16.exe tries to terminate antiviral programs installed on a user computer. msnmsgr16.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\msnmsgr16.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill msnmsgr16.exe process and remove msnmsgr16.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.