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 Encryption Patterns

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

File 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

Ransom message:

notes/RESTORE-MY-FILES.txt

Note locations:

EveryFolder
message

Ransom message:

notes/RESTORE-MY-FILES.txt

Note locations:

Login
screenshot

Ransom message:

notes/pBCTMyjCz.jpg

Note locations:

Desktop

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About This Analysis

This SolidBit ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like SolidBit.

Last updated: December 30, 2025

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