RESOLUTION
Since Plesk 7 Backup/Restore Utilities are included in Plesk distribution kit, you can install them using autoinstaller.Backup utilities placed in $PRODUCT_ROOT_D/bin/ directory and called 'pleskbackup' and 'pleskrestore' if you have Plesk 8 or newer version or 'psadump' and 'psarestore' for Plesk 7.5 and older.