Installing backdoors that steal sensitive files.

: RAID recovery is a complex process involving parity math and stripe reconstruction. Patched versions may have modified code that causes errors during the virtual reconstruction, leading to "recovered" files that are broken or unusable. No Technical Support

These modifications frequently introduce memory leaks, software crashes, or math errors during the reconstruction process.

At that stage, purchasing the legitimate key is a reliable investment to safely export your data to a secure drive. Free and Open-Source Alternatives to RAID Recovery