Ransomware Research
Redeemer Ransomware
Redeemer is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Redeemer
- First Seen
- June 1, 2021
How Redeemer Ransomware Works
File Encryption Patterns
Redeemer modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..redeemRansom Note and Payment Demands
After encrypting files, Redeemer displays ransom notes demanding payment for file recovery:
Read Me.TXTRansom message:
notes/Read Me.TXT
Note locations:
EveryFolderRead Me.TXTRansom message:
notes/Read Me.TXT.v2
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Redeemer ransomware:
conhost.exesqlservr.exesvchost.exelsass.exetest_redeemerransom.bin.exe
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About This Analysis
This Redeemer 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 Redeemer.
Last updated: July 30, 2025