Backblaze has several processes running that are required for various functions of the online backup software. These are listed below and are required for proper operation.
bztransmit.exe - encrypts and transmits files
bztransmit64.exe - encrypts and transmits files on 64-bit operating systems
bzserv.exe - monitors for new and changed files
bzbui.exe - powers the user interface
bzfilelist.exe – generates overall drive analysis
bzdoinstall.exe – manages the installation of automatic updates
bzbmenu – mac client menu management process
bztrans_thread00 - bztrans_thread19 - used to thread uploads, so that multiple files or file chunks can be uploaded at once.