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Definition of DL. 1  DL is short for down-low, which basically means to keep things under-wraps, to keep a secret or lay low. 2  I'll tell you this, but, you gotta promise to keep it on the DL. D.L. means down low. it means that something is not known to all. if you keep something on the D.L... 2  you don't share it with others. 3  I don't want my Dad to find out, so keep it on the D.L. 4  She like me but keep that on the DL.
rundll32.exe is a legitimate process used by Windows operating systems to run the Control Panel, and several dialogue boxes (such as the Display Properties dialogue box). Terminating this process results in the inability to access certain Windows functions and settings.his program is part of Windows, used to run program code in DLL files as if it were an actual program. However, many viruses also use this name or similar names such as 'rundII32' (uppercase i appears the same as lowercase L in many fonts). It's also commonly used by spyware to launch its own code.