Rusolut has released Visual NAND Reconstructor (VNR) 8.2, introducing significant enhancements to improve data recovery and digital forensics processes. Key Updates:
1. Accelerated AI XOR Generation – The AI XOR generation algorithms have been completely redesigned, resulting in a speed increase ranging from 10x to 1000x, depending on the specific case. This improvement significantly reduces the time required to find XOR keys, especially for devices with FirstChip (FC) and Silicon Motion (SM) controllers. For example, in cases involving SM3281L controllers with bad columns, VNR can now automatically generate the necessary XOR key without manual intervention.
2. Enhanced AI XOR Support for Various Controllers
– Silicon Motion (SM) Controllers: Improved handling of devices with bad columns, enabling automatic generation of unique XOR keys tailored to each device.
– FirstChip (FC) Controllers: Updated algorithms allow for precise un-XORing of the Spare Area (SA), enhancing data validation.
– Alcor Micro (AU) Controllers: Enhanced capability to generate XOR keys even when the XOR pattern is inconsistent within a block.
3. VNR 8.2 introduces support for two new protocols tailored for Hybrid Micron NAND memory chips, such as those identified by ID 2C844863:
– Async SDR Micron HybridX1
– WL SDR Micron HybridX3
These additions expand the range of NAND chips that can be effectively processed.
4. Optimized Block Manager – The Block Manager interface has been refined for better usability, including the addition of a predefined marker “FS signature” to quickly identify blocks containing file system structures using MBR/Boot markers.
5. Expanded NAND Chip and Scrambler Support – The update includes support for new NAND chip IDs and scramblers (XOR keys), broadening the compatibility with various devices and enhancing the tool’s versatility in handling different data recovery scenarios.
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