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