Ransomware Research

About Dx31


Dx31 was first discovered in January 2024 in enterprise cloud environments.

Name Dx31
First Seen January 2024


To better understand Dx31, we can trace it’s origins. Below is a snapshot of Dx31’s genealogy.

Phobos » Dx31

Behavior of Dx31

Dx31 is known to target specific file types. Below are all known file types that Dx31 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. Dx31 updates the last modified date of the file it targets.

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Characteristics of Dx31

Here are some of the unique characteristics that are helpful to know about Dx31.


Some ransomware will change or append a suffix to the end of the file after they are encrypted, including changing the extension of a file. Here are some of the possible suffixes that Dx31 ransomware is known to change.


Ransomware Notes

Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.

Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from Dx31.

File Nameinfo.txt
LocationRootDiscs, Desktop
File Nameinfo.hta
LocationRootDiscs, Desktop


These are the names of the executables that contain the undetonated ransomware payload for Dx31.


External Pages

Ransomware often links to external pages such as payment pages, telegram contacts, etc. Below are some of the URLs Elastio has found to be associated with Dx31.

External Pages
  • mailto:dx31@mail.com
  • mailto:dx31@usa.com
How Elastio can help

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