rodll.dll is a Trojan.Ragrok-A. rodll.dll tries to terminate antiviral programs installed on a user computer. rodll.dll monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %Windows%\rundll132.exe %System%\rodll.dll More info: http://www.sophos.com/virusinfo/analyses... Removal: Remove winkey.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.