PluginENLOG.DLL is a Trojan.Keylog-AT. PluginENLOG.DLL monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\PluginENLOG.DLL More info: http://www.sophos.com/virusinfo/analyses... Removal: Remove PluginENLOG.DLL from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.