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