Ransomware Research

Buran Ransomware

Buran is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Ghost, Buran-Ghost.

Quick Facts

Ransomware Family
Buran
First Seen
June 1, 2019
Known Aliases
GhostBuran-Ghost

How Buran Ransomware Works

Targeted Files

https://www.acronis.com/en-us/blog/posts/meet-buran-new-delphi-ransomware-delivered-rig-exploit-kit https://www.bleepingcomputer.com/forums/t/698566/jamper-buran-ransomware-your-files-are-encrypted-txt-support

File Encryption Patterns

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

File extensions added after encryption:

..ghost./\.\[?[0-9A-F]{8}[-]?[0-9A-F]{4}[-]?[0-9A-F]{4}[-]?[0-9A-F]{4}[-]?[0-9A-F]{12}\]?$/

Ransom Note and Payment Demands

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

file===HOW TO RECOVER ENCRYPTED FILES===.TXT

Ransom message:

notes/===HOW TO RECOVER ENCRYPTED FILES===.TXT

Note locations:

EveryFolder
file!!! YOUR FILES ARE ENCRYPTED !!!.TXT

Ransom message:

notes/!!! YOUR FILES ARE ENCRYPTED !!!.TXT

Note locations:

EveryFolder
fileYOUR FILES ARE ENCRYPTED !!!.TXT

Ransom message:

notes/YOUR FILES ARE ENCRYPTED !!!.TXT
file!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Ransom message:

notes/!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Buran ransomware:

  • Playtech* Measuresentence
  • Rowrub.exe
  • lsass.exe
  • file.bin
  • ghost.exe
  • 2.exe
  • ctfmon.exe
  • SpybtIndentify
  • SpybtIndentify.exe
  • UMK40EED.EXE
  • b.exe
  • buran.exe
  • 1.exe
  • loseless.exe
  • OAA25E4H.exe
  • myfile.exe
  • sample.exe
  • CTFMON.EXE
  • Edwin Dewitt - CV.doc
  • LDR_2886.js
  • name
  • csrss.exe
  • svchost.exe

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About This Analysis

This Buran 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 Buran.

Last updated: July 30, 2025

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