Ransomware Research

About Banks1


Banks1 was first discovered in May 2020 in enterprise cloud environments.

Name Banks1
First Seen May 2020


To better understand Banks1, we can trace it’s origins. Below is a snapshot of Banks1’s genealogy.

Dharma » Banks1

Behavior of Banks1

Banks1 is known to target specific file types. Below are all known file types that Banks1 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. Banks1 updates the last modified date of the file it targets.

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Characteristics of Banks1

Here are some of the unique characteristics that are helpful to know about Banks1.


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 Banks1 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 Banks1.

File NameReadMe.txt
File Nameinfo.hta


These are the names of the executables that contain the undetonated ransomware payload for Banks1.

Executablesransom.exe, 555727610.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 Banks1.

External Pages
  • mailto:jerjis@tuta.io
  • mailto:jerjis@tutamail.com
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