Encryptss77 Ransomware
Encryptss77 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: SFX Monster.
Quick facts
How Encryptss77 ransomware works
File encryption patterns
Encryptss77 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Encryptss77 displays ransom notes demanding payment for file recovery:
notes/КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt
About this analysis
This Encryptss77 ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Encryptss77.
Last updated: December 30, 2025
Elastio detects Encryptss77 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Encryptss77 across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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