[ShrinkLocker](https://attack.mitre.org/software/S1178) is a VBS-based malicious script that leverages the legitimate Bitlocker application to encrypt files on victim systems for ransom. [ShrinkLocker](https://attack.mitre.org/software/S1178) functions by using Bitlocker to encrypt files, then renames impacted drives to the adversary’s contact email address to facilitate communication for the ransom payment.(Citation: Kaspersky ShrinkLocker 2024)(Citation: Splunk ShrinkLocker 2024)