Ransomware Research

vCrypt1 Ransomware

vCrypt1 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: vCrypt.

Quick Facts

Ransomware Family
vCrypt1
First Seen
May 1, 2017
Known Aliases
vCrypt

How vCrypt1 Ransomware Works

Targeted Files

Encrypts 0x19000 bytes

File Encryption Patterns

vCrypt1 modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..vCrypt1..aCrypt..bCrypt..xCrypt25

Ransom Note and Payment Demands

After encrypting files, vCrypt1 displays ransom notes demanding payment for file recovery:

fileКАК_РАСШИФРОВАТЬ_ФАЙЛЫ.txt

Ransom message:

notes/КАК_РАСШИФРОВАТЬ_ФАЙЛЫ.txt

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with vCrypt1 ransomware:

  • NLF.exe
  • -1.exe
  • 1.exe
  • vCrypt.exe
  • xclm_.exe
  • eb2191c2-60ea-11e8-bb7d-88ae1dd8ea09
  • xclm.exe
  • patch.exe
  • lingvo-patch_16.1.3.70.exe
  • ୥-饭-.txt.exe
  • -䠪.txt.exe
  • aCrypt ransomware
  • Счет-фактура.txt.exe
  • aCrypt.exe
  • bCrypt ransomware
  • .txt.exe
  • bCrypt.exe
  • xCrypt ransomware
  • xCrypt.exe

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About This Analysis

This vCrypt1 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 vCrypt1.

Last updated: July 30, 2025

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