Ransomware Research

Gopher

Gopher was first discovered in March 2021 in enterprise cloud environments. Gopher is found in environments with a number of different names, including Bad-Gopher, etc. For a full list of all names, please see below.

Name

Gopher

 

First Seen

March 2021

Targeting

Behavior of Gopher

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

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

Details

Characteristics of Gopher

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 Gopher ransomware is known to change.

Suffixes

.gopher, .NASAcry, .LOCKEDmanager04@protonmail.com

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 Gopher.

Type

File Name

Location

file

BAD_GOPHER.txt

Desktop

file

READ_TO_DECRYPT.html

Desktop

file

HELP-ME-RESTORE-MY-FILES-BACK.html

Desktop

file

HELP-ME-RESTORE-MY-FILES.html

Desktop

file

IMPORTANT-FILES_ENCRYPTED.html

Desktop

screenshot

Desktop

Executables

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

Executables

Restore Your Files.exe, restore your files.exe, yyt.bin, ransomw.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 Gopher.

External Pages

  • https://github.com/andyjsmith/Bad-Gopher
  • mailto:manager@outlookpro.net
  • mailto:ransomd3m@protonmail.com
  • mailto:overlotregfq@secmail.pro
  • mailto:manager04@protonmail.com

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