fileYOUR_FILES_ARE_GONE.txt
notes/YOUR_FILES_ARE_GONE.txt
Location: EveryFolder
Ransomware Research
KESS7A Ransomware
KESS7A is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2026, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- KESS7A
- First Seen
- April 1, 2026
How KESS7A ransomware works
File modification behavior
KESS7A updates file modification timestamps after encryption.
File encryption patterns
KESS7A modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .locked
Ransom note and payment demands
After encrypting files, KESS7A displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with KESS7A ransomware:
- ransomwer.exe
About this analysis
This KESS7A 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 KESS7A.
Detection coverage
Elastio detects KESS7A inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify KESS7A 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.