Ransomware Research

KingRnsom Ransomware

KingRnsom is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2026, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
KingRnsom
First Seen
June 1, 2026

How KingRnsom ransomware works

File modification behavior

KingRnsom updates file modification timestamps after encryption.

File encryption patterns

KingRnsom modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .7wO5bG7O

Ransom note and payment demands

After encrypting files, KingRnsom displays ransom notes demanding payment for file recovery:

fileRecoverFiles.txt
notes/RecoverFiles.txt

Location: EveryFolder

About this analysis

This KingRnsom 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 KingRnsom.

Last updated: September 16, 2026

Detection coverage

Elastio detects KingRnsom inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify KingRnsom 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.