Ransomware Research



ATLAS was first discovered in April 2017 in enterprise cloud environments.

First Seen April 2017


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


Behavior of ATLAS

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

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

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Characteristics of ATLAS

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


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 ATLAS 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 ATLAS.

File NameATLAS_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 ATLAS.

External Pages
  • mailto:atlashelp@protonmail.com
  • mailto:atlasfix@protonmail.com
  • mailto:atlasfix@dr.com
How Elastio can help

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