CBackup 4.0.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free software is CBackup. The software lies within System Utilities, more precisely Backup & Restore. We recommend checking the downloaded files with any free antivirus.
From the developer:
Easily back up and restore your system, disks, partitions, or files to recover from crashes, failures, or accidental data loss.
You may want to check out more software, such as ShadowProtect Desktop, Smart NTFS Recovery or SmartSync Pro, which might be related to CBackup.