Ransomware Research
ImSorry Ransomware
ImSorry is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- ImSorry
- First Seen
- May 1, 2017
How ImSorry Ransomware Works
File Encryption Patterns
ImSorry modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..imsorryRansom Note and Payment Demands
After encrypting files, ImSorry displays ransom notes demanding payment for file recovery:
Read me for help thanks.txtRansom message:
notes/note.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with ImSorry ransomware:
ImSorry.exeimsorry.exe
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About This Analysis
This ImSorry 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 ImSorry.
Last updated: July 30, 2025