Ransomware Research
CryptInfinite Ransomware
CryptInfinite is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2015, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: DecryptorMax.
Quick Facts
- Ransomware Family
- CryptInfinite
- First Seen
- October 1, 2015
- Known Aliases
- DecryptorMax
How CryptInfinite Ransomware Works
File Encryption Patterns
CryptInfinite modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..CRINFRansom Note and Payment Demands
After encrypting files, CryptInfinite displays ransom notes demanding payment for file recovery:
ReadDecryptFilesHere.txtRansom message:
notes/ReadDecryptFilesHere.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with CryptInfinite ransomware:
Cryptinfinite.exeais_samples (378).exetest-pcac33-2ff6.exesvchost.exedm.exesvchost.exe_jLebrittney58006-b9ef.exegOpK.msi
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About This Analysis
This CryptInfinite 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 CryptInfinite.
Last updated: July 30, 2025