This is how it's strangely positioned:
:\windows\system\swflash.ocx; version 2, 0, 0, 11; 18AUG1997; Shockwave
Flash 2.0 r11
:\windows\system\macromed\swflash.ocx; version 4,0,28,0; 27JAN2000;
Flash Player 4.0 r28
There are several references to each in the registry.