Ransomware Research
Dr. Jimbo Ransomware
Dr. Jimbo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Dr. Jimbo
- First Seen
- June 1, 2016
How Dr. Jimbo Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Dr. Jimbo modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encryptedRansom Note and Payment Demands
After encrypting files, Dr. Jimbo displays ransom notes demanding payment for file recovery:
{origin_filename}.How_To_Decrypt.txtRansom message:
notes/Doc1.How_To_Decrypt.txt
Note locations:
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About This Analysis
This Dr. Jimbo 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 Dr. Jimbo.
Last updated: July 30, 2025