I like that they were using ALL CAPS and you’re using all lowercase.

qBittorrent

Unclear whether they were hacked. A followup says:

We [Crunchyroll] have […] investigated the situation, and determined that there is no evidence that Crunchyroll’s systems have been compromised

They may have been fished.

Other than file-sharing or xdcc, where you can search for FLAC,

squid.wtf allows you to download FLACs from select providers.