Ransomware Research

DecryptmyfilesTop Ransomware

DecryptmyfilesTop is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2021, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
DecryptmyfilesTop
First Seen
May 1, 2021

How DecryptmyfilesTop Ransomware Works

Targeted Files

Encrypts first 0x100000 bytes example encrypted filename -> Biblio.mdb.[decryptmyfiles.top].72CFAC3F

File Encryption Patterns

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

File extensions added after encryption:

./\.\[decryptmyfiles\.top\]\.[0-9A-F]{8}/

Ransom Note and Payment Demands

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

fileFILES ENCRYPTED.txt

Ransom message:

notes/FILES ENCRYPTED.txt

Note locations:

UserFoldersRootDiscs
fileinfo.hta

Ransom message:

notes/info.hta

Note locations:

StartUp

Technical Indicators

Associated Executable Files

The following executable files are associated with DecryptmyfilesTop ransomware:

  • data
  • data.cmp

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About This Analysis

This DecryptmyfilesTop 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 DecryptmyfilesTop.

Last updated: July 30, 2025

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