Ransomware Research

Kl5up700 Ransomware

Kl5up700 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2025, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Kl5up700
First Seen
December 1, 2025

How Kl5up700 ransomware works

File modification behavior

Kl5up700 updates file modification timestamps after encryption.

Ransom note and payment demands

After encrypting files, Kl5up700 displays ransom notes demanding payment for file recovery:

filedestruct.txt

Location: RootDirectory

Technical indicators

Associated executable files

The following executable files are associated with Kl5up700 ransomware:

  • kl5up700.exe

About this analysis

This Kl5up700 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 Kl5up700.

Last updated: January 29, 2026

Detection coverage

Elastio detects Kl5up700 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Kl5up700 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.