.mkp Ransomware: Decrypting and Recovering Infected Veeam VBK/VIB Backup Files

Service Description

.mkp ransomware decryption and recovery, Veeam backup VBK file poisoning decryption and recovery, Veeam VBK VIB file poisoning decryption and recovery.

This case focuses on professional recovery of Veeam backup files after a ransomware attack that encrypted and poisoned backup data, making it unusable for restoration.

Incident Summary

The server was infected with ransomware, which encrypted all files and appended the .mkp extension. As a result, the Veeam backup repository was rendered unusable, and all VBK and VIB backup files were inaccessible.

The problem required recovery of Veeam backup VBK files that had been encrypted and poisoned by the ransomware, preventing normal backup extraction and virtual machine restoration.

Technical Challenge

Ransomware attacks on backup systems present a unique challenge. In this case:

VBK and VIB backup files were encrypted by .mkp ransomware

Backup metadata and internal block structures were damaged

Standard Veeam restore operations failed

Total backup size reached 4 TB, increasing complexity

Improper handling could permanently destroy backup integrity

Because Veeam backup files are container-based, traditional file-level recovery methods are ineffective and risky.

Recovery Solution

The repair results were achieved using the SQL110veeambackupfix repair tool, which processed the VBK backup files encrypted by the .mkp virus.

The recovery focused on repairing the internal structure and metadata of the VBK backup files, allowing safe extraction of virtual machine data without relying on brute-force decryption.

Recovery Process

Backup File Assessment: Encrypted VBK files were analyzed to determine structural damage and recovery feasibility.

VBK Structure Repair: SQL110veeambackupfix was used to repair poisoned and encrypted VBK backup files.

Data Extraction: Virtual machine data was successfully extracted from the repaired VBK backup file.

Virtual Machine Validation: The generated virtual machine was tested and verified for integrity and usability.

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