0kilobypt Ransomware
0kilobypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
How 0kilobypt ransomware works
File encryption patterns
0kilobypt modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, 0kilobypt displays ransom notes demanding payment for file recovery:
notes/WHERE ARE YOUR FILES READ ME (ГДЕ ТВОИ ФАЙЛЫ, ПРОЧИТАЙ МЕНЯ).txt
notes/README.txt
notes/ВЕРНУТЬ ВАШИ ФАЙЛЫ.txt
notes/RECOVERY.txt
notes/README.txt
notes/RECOVERY.hta.txt
About this analysis
This 0kilobypt 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 0kilobypt.
Last updated: December 30, 2025
Elastio detects 0kilobypt inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify 0kilobypt 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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