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Cryptolocker ransomware: What it is and how it worked

Expressvpn • February 3, 2026

Once ransomware has encrypted files, removing the malware doesn't decrypt them. Cleanup generally just stops the attack from continuing and reduces ...

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Cryptolocker Ransomware: Impact and Recovery Challenges Cryptolocker ransomware encrypts files on affected systems, rendering them inaccessible. Removing the malware does not restore access to the encrypted files, as the decryption key is not stored on the system. Users must take additional steps to recover their data after an attack. 2 sources 37

Extracted Entities

Cryptolocker ransomware: What it is and how it worked

The full story

Extracted Entities

Attack Types (1)

MITRE ATT&CK (1)

Ransomware Groups (1)