Ly Tyz Mhjbt Fy Almykrwbas Wty...: Hot- Download- Byhss

She clicked play.

Her partner, Leo, leaned over. "Looks like an Atbash cipher, maybe with a shift. 'byhss'... if I shift each letter back one—'axgrr'? No. Try Atbash: 'ybshh'? Still nothing." HOT- Download- byhss ly tyz mhjbt fy almykrwbas wty...

But given the last part almykrwbas — Atbash of that: She clicked play

b ↔ y y ↔ b h ↔ s s ↔ h s ↔ h → ybshh — still not obviously English. She clicked play. Her partner

byhss ly tyz mhjbt fy almykrwbas wty...

That gives zonbp idyzh — not English either.

The phrase: "HOT- Download- byhss ly tyz mhjbt fy almykrwbas wty..." — seems like it might be a simple substitution cipher (like shifting letters in the alphabet).