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