Tag: bitlocker

ShrinkLocker is a new ransomware strain that exploits Windows BitLocker to encrypt targeted data. Unlike typical ransomware, it abuses this legitimate feature to create a secure boot partition, locking users out unless a ransom is paid. The malware performs system checks, modifies registry entries,…

In collaboration with Recorded Future, SentinelLabs has been tracking two distinct activity clusters targeting government and critical infrastructure sectors globally between 2021 and 2023.

The report examines an incident where threat actors leveraged Microsoft's BitLocker encryption utility to deploy unauthorized file encryption on targeted systems. The adversaries employed a sophisticated VBScript that resized disk partitions, modified registry entries, enabled BitLocker with random…