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notes/note.txt
Location: OnceOnCompletion
Ransomware Research
CrystalCrypt Ransomware
CrystalCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- CrystalCrypt
- First Seen
- May 1, 2017
How CrystalCrypt ransomware works
File modification behavior
CrystalCrypt updates file modification timestamps after encryption.
File encryption patterns
CrystalCrypt modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .BLOCKED
Ransom note and payment demands
After encrypting files, CrystalCrypt displays ransom notes demanding payment for file recovery:
fileCrystalCrypt_Recover_Instructions.txt
notes/CrystalCrypt_Recover_Instructions.txt
Location: Desktop
screenshot
notes/CrystalCrypt_Recover_Instructions.png
Location: Desktop
About this analysis
This CrystalCrypt ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like CrystalCrypt.
Detection coverage
Elastio detects CrystalCrypt inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify CrystalCrypt across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.