fileRECOVER YOUR FILES.hta
notes/RECOVER YOUR FILES.hta
Location: EveryFolder
Ransomware Research
BlackClaw Ransomware
BlackClaw is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Black Claw.
Quick facts
- Ransomware Family
- BlackClaw
- First Seen
- May 1, 2020
- Known Aliases
- Black Claw
How BlackClaw ransomware works
File modification behavior
BlackClaw updates file modification timestamps after encryption.
File encryption patterns
BlackClaw modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .bclaw
- .apocalypse
Ransom note and payment demands
After encrypting files, BlackClaw displays ransom notes demanding payment for file recovery:
fileRECOVER YOUR FILES.txt
notes/RECOVER YOUR FILES.txt
About this analysis
This BlackClaw 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 BlackClaw.
Detection coverage
Elastio detects BlackClaw inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify BlackClaw 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.