Ransomware Research

Bl9c98vcvv Ransomware

Bl9c98vcvv is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2012, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Bl9c98vcvv
First Seen
April 1, 2012

How Bl9c98vcvv ransomware works

File modification behavior

Bl9c98vcvv resets file modification timestamps after encryption.

File encryption patterns

Bl9c98vcvv modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .Bl9c98vcvv

Ransom note and payment demands

After encrypting files, Bl9c98vcvv displays ransom notes demanding payment for file recovery:

fileHOW TO DECRYPT FILES.txt
notes/HOW TO DECRYPT FILES.txt

Location: EveryFolder

About this analysis

This Bl9c98vcvv 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 Bl9c98vcvv.

Last updated: January 6, 2026

Detection coverage

Elastio detects Bl9c98vcvv inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Bl9c98vcvv 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.