"Leo," she said quietly, "trace this download. And cancel my evening plans."
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). HOT- Download- byhss ly tyz mhjbt fy almykrwbas wty...
That gives zonbp idyzh — not English either. "Leo," she said quietly, "trace this download
It might be a keyboard shift pattern (e.g., each letter typed with hands shifted one key to the left on QWERTY). " she said quietly