FRundlll.exe is a Trojan.GrayBrd-A. FRundlll.exe opens a back door. Related files: %System%\FRundlll.exe %System%\Deleteme.bat More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill FRundlll.exe process and remove FRundlll.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.