ServerKey.DLL is a Trojan Backdoor.Graybird.N. ServerKey.DLL injects into all running processes. Related files: %Windir%\Server.exe %Windir%\Server.DLL %Windir%\ServerKey.DLL %Windir%\Server_Hook.DLL Adds the value: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Windows Updata Server HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\ENUM\ROOT\LEGACY_WINDOWS_UPDATA_SERVER to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Remove ServerKey.DLL from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.