Ransomware Research
EXISC Ransomware
EXISC is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- EXISC
- First Seen
- May 1, 2023
How EXISC Ransomware Works
File Encryption Patterns
EXISC modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..EXISCRansom Note and Payment Demands
After encrypting files, EXISC displays ransom notes demanding payment for file recovery:
Please Contact Us To Restore.txtRansom message:
notes/Please Contact Us To Restore.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with EXISC ransomware:
Passper for Word.exezzz.exe
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About This Analysis
This EXISC 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 EXISC.
Last updated: July 30, 2025