Ransomware Research

About Avest


Avest was first discovered in August 2019 in enterprise cloud environments. Avest is found in environments with a number of different names, including Pack14, etc. For a full list of all names, please see below.

Name Avest
  • Pack14
First Seen August 2019

Behavior of Avest

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

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

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Characteristics of Avest

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


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 Avest 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 Avest.

File Name!!!Readme!!!Help!!!.txt


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

Executablesinstaller.exe, myfile.exe, График проверок октябрь-декабрь 2019 (встроен Avest).avst.exe, antimalware.exe, office64.exe

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 Avest.

External Pages
  • mailto:data1992@protonmail.com
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