Ransomware Research

SolidBit Ransomware

SolidBit is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2022, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
SolidBit
First Seen
June 1, 2022

How SolidBit ransomware works

File modification behavior

SolidBit updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .solidbit

Ransom note and payment demands

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

fileRESTORE-MY-FILES.txt
notes/RESTORE-MY-FILES.txt

Location: EveryFolder

message
notes/RESTORE-MY-FILES.txt

Location: Login

screenshot
notes/pBCTMyjCz.jpg

Location: Desktop

About this analysis

This SolidBit 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 SolidBit.

Last updated: December 23, 2025

Detection coverage

Elastio detects SolidBit inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify SolidBit 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.