Ransomware Research
Gibberish Ransomware
Gibberish is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Gibberish, Anenerbex, Velar, UPPER.
Quick Facts
- Ransomware Family
- Gibberish
- First Seen
- February 1, 2020
- Known Aliases
- GibberishAnenerbexVelarUPPER
How Gibberish Ransomware Works
Targeted Files
Encrypts first 0x19000 bytes
File Encryption Patterns
Gibberish modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..uk6ge..anenerbex..Velar..UPPER..~~~~..esexzRansom Note and Payment Demands
After encrypting files, Gibberish displays ransom notes demanding payment for file recovery:
info.txtRansom message:
notes/info.txt
Note locations:
EveryFolderanenerbex-info.txtRansom message:
notes/anenerbex-info.txt
readme.txtRansom message:
notes/readme.txt
Note locations:
EveryFolderinfoUPPER.txtRansom message:
notes/infoUPPER.txt
Note locations:
EveryFolderRead_ME.txtRansom message:
notes/Read_ME.txt
Note locations:
EveryFolderRead~ME.txtRansom message:
notes/Read~ME.txt
Note locations:
EveryFolderREADME.txtRansom message:
notes/README.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with Gibberish ransomware:
A1.exe1,2.exe
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About This Analysis
This Gibberish ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Gibberish.
Last updated: July 30, 2025