Ransomware Research
RekenSom Ransomware
RekenSom is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Som, GHack.
Quick Facts
- Ransomware Family
- RekenSom
- First Seen
- March 1, 2020
- Known Aliases
- SomGHack
How RekenSom Ransomware Works
Targeted Files
Renames files to -> Encrypted-------.som (different number of dashes)
File Encryption Patterns
RekenSom modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..RekenSom..somPrefixes added to encrypted files:
EncryptedRansom Note and Payment Demands
After encrypting files, RekenSom displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with RekenSom ransomware:
WindowsFormsApplication8.exeFinalReken.exeGHack.exe
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About This Analysis
This RekenSom 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 RekenSom.
Last updated: July 30, 2025