Not sure where you're getting 'millions of views' - I've seen ~25k max. This seems like a pretty generic hoax or abandoned ARG - real secret organizations don't use codes you can crack by googling "decoder website" or pass around generic ominous terms using these codes. Regardless, here's some basic bitch digging.
archive.fo/KJEaV#selection-2253.0-2265.164
The description in the above link is encoded in ROT 8. The second part is encoded in many different rotations, and contains the words: "The teeming spiro Terms Emiya Goka gazla toilet milbemectin Ye Pictured Luu Teix About Yezda syphilis syphilis[repeated] Sawma Lidhem".
The message in the first part is:
RED REPRESS THE MEMORYES OF TRAUA WITH DRUGS BLU MILITARISTIC TRAINING AND DECIMATION OF THE MING GREEN DENIAL OF EVENTS AND ATROCITIES COCCITTED AGANST THEM YELLOW PERSONAS COMPARTMENTALIZED PINK CORE PYRSONALITY ENTIRELY DESTROYED
The message in the last part yields a sequence of numbers in ASCII to decimal:
54,56,55,52,55,52,55,48,51,65,50,70,50,70,54,57,54,68,54,55,55,53,55,50,50,69,54,51,54,70,54,68,50,70,54,49,50,70,52,50,53,51,54,50,54,68,54,69