You do not need a stolen database to enjoy JDownloader 2 at maximum speed. There are legitimate, safe, and shockingly cheap workarounds.

If you have already downloaded a file labeled "JDownloader 2 Premium Account Database" from a torrent or forum, do not open it. Scan it with VirusTotal. If it contains any executable file (.exe, .scr, .bat, .vbs), delete it immediately.

Legitimate JDownloader 2 account lists are stored in the program's cfg folder as plain text .json files. They are not distributed as "databases." Anyone selling or distributing a standalone database is almost certainly trying to infect you.

If you refuse to pay for a debrid service, you can use 2Captcha or Anti-Captcha. These services cost fractions of a cent per captcha. JDownloader 2 integrates them natively. This isn't premium, but it automates the free-account waiting process.