This is a very simple batch file to download encrypted games from Nintendo.
Please delete the CIA in 24 hours.
Find the Title ID of the game from 3dsdb.com or other sites.
Enter the Title ID which you just found. (Lowercase)
Waiting it download, close the window to stop download and it able to resume.
After finished you will get an encrypted CIA.
tatsuhiro-t - aria2c.exe
Tiger21820/3DSGuy - make_cdn_cia.exe
profi200 - ctrtool.exe
matif - CIA_Downloader.bat