The developers offer a Free version for personal use that allows for basic file and folder backups to local disks or network folders.
A cracked version of Uranium Backup can be modified to include backdoors. This allows hackers to monitor your sensitive data as it is being backed up, effectively giving them a roadmap to your most valuable information.
If budget is a concern, there are safer ways to secure your data than risking a crack:
The legitimate version of offers a range of professional features that a crack simply cannot replicate safely. It is designed to handle everything from simple file copies to complex SQL Server and Virtual Machine (Hyper-V/VMware) backups.