Ransomware Research

DCRTR-WDM Ransomware

DCRTR-WDM is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: WDM.

Quick Facts

Ransomware Family
DCRTR-WDM
First Seen
October 1, 2018
Known Aliases
WDM

How DCRTR-WDM Ransomware Works

File Encryption Patterns

DCRTR-WDM modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..crypt..PAFOS..SONG..COLORIT..COPAN..WALAN..CAGO..STAFS..SOS..GOLD..LOCK..CRYZP..LOCKEDS..ngecqlu

Ransom Note and Payment Demands

After encrypting files, DCRTR-WDM displays ransom notes demanding payment for file recovery:

fileHOW TO DECRYPT FILES.txt

Ransom message:

notes/HOW TO DECRYPT FILES.txt

Note locations:

EveryFolder
fileinfo.hta

Ransom message:

notes/info.hta

Note locations:

EveryFolder
fileHOW TO DECRYPT FILES.hta

Ransom message:

notes/HOW TO DECRYPT FILES.hta

Note locations:

EveryFolder
fileDECRYPT_INFO.txt

Ransom message:

notes/DECRYPT_INFO.txt

Note locations:

EveryFolder
fileDECRYPT_INFO.hta

Ransom message:

notes/DECRYPT_INFO.hta

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with DCRTR-WDM ransomware:

  • wdm.exe
  • setup.exe
  • setup (1).exe
  • svchost.exe
  • dllhost.exe
  • wpm.exe
  • smss.exe
  • sms.exe
  • __possible virus sample that infected me.zip
  • smms.exe

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About This Analysis

This DCRTR-WDM 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 DCRTR-WDM.

Last updated: October 30, 2025

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What is DCRTR-WDM Ransomware? | Elastio