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