Ransomware Research

About 20dfs

20dfs

20dfs was first discovered in June 2020 in enterprise cloud environments. 20dfs is found in environments with a number of different names, including aksx, etc. For a full list of all names, please see below.

Name 20dfs
AKA
  • aksx
First Seen June 2020

Genealogy

To better understand 20dfs, we can trace it’s origins. Below is a snapshot of 20dfs’s genealogy.

MorrisBatchCrypt » InfoDot » 20dfs
Targeting

Behavior of 20dfs

20dfs is known to target specific file types. Below are all known file types that 20dfs is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. 20dfs unknown the last modified date of the file it targets.

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Characteristics of 20dfs

Here are some of the unique characteristics that are helpful to know about 20dfs.

Suffixes

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 20dfs ransomware is known to change.

Suffixes.20dfs, .aksx, .crypt

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 20dfs.

Typefile
File NameDECODING_FILES.txt

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 20dfs.

External Pages
  • mailto:20dfs@keemail.me
  • mailto:aksman@keemail.me
  • mailto:cmsupport@secmail.pro
  • mailto:cmsupport@airmail.cc
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