file+README-WARNING+.txt
notes/+README-WARNING+.txt
Location: EveryFolder
Ransomware Research
Ziver Ransomware
Ziver is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- Ziver
- First Seen
- July 1, 2025
How Ziver ransomware works
File modification behavior
Ziver updates file modification timestamps after encryption.
File encryption patterns
Ziver modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .ziver
Ransom note and payment demands
After encrypting files, Ziver displays ransom notes demanding payment for file recovery:
screenshot
notes/2C66.tmp.png
Location: Desktop
Technical indicators
Associated executable files
The following executable files are associated with Ziver ransomware:
- ziver_visual.exe
About this analysis
This Ziver 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 Ziver.
Detection coverage
Elastio detects Ziver inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Ziver across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.