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