Microsoft DLL Extensions startup information for Windows XP, Windows Vista and other versions of Microsoft Windows
Added by the W32/Rbot-ADV worm. When started this infection connects to an IRC server where it waits for remote commands.
This page helps identify spyware, viruses, and other programs that you don't understand what they are, or want to know if SystemDll.exe is a safe file or if you can safely remove or delete SystemDll.exe. Use at your own risk and if unsure either do a virus/anti adware scan and seek advice from a professional adware remover