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ShrinkLocker, a newly discovered ransomware strain, exploits BitLocker, a legitimate Windows feature, to encrypt user data by locking them out of their systems. Unlike conventional ransomware, ShrinkLocker leverages BitLocker’s secure boot partition, making decryption exceptionally challenging. The malware modifies critical system settings, including RDP and TPM, and can potentially render the affected system irreparable. This sophisticated technique highlights the need for robust data protection strategies and thorough security measures to mitigate risks associated with ransomware attacks.