Ransomware Research

About Noctua


Noctua was first discovered in April 2022 in enterprise cloud environments.

Name Noctua
First Seen April 2022


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

Makop » Noctua

Behavior of Noctua

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

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

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Characteristics of Noctua

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


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 Noctua 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 Noctua.

File Namereadme-warning.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 Noctua.

External Pages
  • mailto:noctua0302@goat.si
  • mailto:pecunia0318@tutanota.com
How Elastio can help

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