Ransomware Research

VaultCrypt Ransomware

VaultCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2015, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: CrypVault.

Quick Facts

Ransomware Family
VaultCrypt
First Seen
February 1, 2015
Known Aliases
CrypVault

How VaultCrypt Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..vault

Ransom Note and Payment Demands

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

fileVAULT.txt

Ransom message:

notes/VAULT.txt
fileVAULT.hta

Ransom message:

notes/VAULT.hta

Note locations:

DesktopRoamingStartUp

Technical Indicators

Associated Executable Files

The following executable files are associated with VaultCrypt ransomware:

  • malware.js
  • Trojan-Downloader.JS.Scatter.k
  • act sverki.js
  • Акт сверки за 2014 год (сверка проведена - февраль 2015 года) подписано и согласовано Главным бухгалтером _ для контрагента-letter-attachment_scannеd-OK.dосх.js
  • sample.js
  • ǬG ßóÑa¬¿ ºá 2014 ú«ñ (ßóÑa¬á »a«óÑñÑ¡á - SÑóaá½8 2015 ú«ñá) »«ñ»¿ßá¡« ¿ ß«ú½áß«óá¡« â½áó¡d¼ ípsúá½GÑa«¼ _ ñ½n ¬«¡GaáúÑ¡Gá-letter-attachment_scannÑd-OK.d«ßs.js
  • 1.js
  • Счета для оплаты февраль 2015 года - согласовано Коммерческим директором согласовано Главным бухгалтером _ долг letter-attachment_scannеd-OK.dосх.js
  • 111.js
  • rohlik.js
  • Счета.zip
  • вирус!!!.zip
  • Счета (1).zip
  • РЎС�РµС�Р°.zip
  • 7ZSfxMod
  • 7ZSfxMod_x86.exe
  • 98b0b9a1133.exe

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About This Analysis

This VaultCrypt 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 VaultCrypt.

Last updated: July 30, 2025

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