message
notes/note.txt
Location: OnceOnCompletion
Ransomware Research
CockBlocker Ransomware
CockBlocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- CockBlocker
- First Seen
- November 1, 2016
How CockBlocker ransomware works
File modification behavior
CockBlocker updates file modification timestamps after encryption.
File encryption patterns
CockBlocker modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .hannah
Ransom note and payment demands
After encrypting files, CockBlocker displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with CockBlocker ransomware:
- Cockblocker.exe
- Ransom.CBlocker.exe
- cool.exe
- 6.exe
- cockblocker.exe
- mqhjzh.exe
- aa
- kYF2iEbnF.xdp
- 05601599.exe
About this analysis
This CockBlocker 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 CockBlocker.
Detection coverage
Elastio detects CockBlocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify CockBlocker 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.