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Ransomware Research

Matrix-Locked_File

Matrix-Locked_File was first discovered in September 2017 in enterprise cloud environments. Matrix-Locked_File is found in environments with a number of different names, including ex Locked_File, etc. For a full list of all names, please see below.

Name

Matrix-Locked_File

 

First Seen

September 2017

Targeting

Behavior of Matrix-Locked_File

Matrix-Locked_File is known to target specific file types. Below are all known file types that Matrix-Locked_File is known to infect.

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

Details

Characteristics of Matrix-Locked_File

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 Matrix-Locked_File ransomware is known to change.

Suffixes

.locked_file

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 Matrix-Locked_File.

Type

File Name

Location

file

!HOW_TO_UNLOCK_FILES!.html

EveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for Matrix-Locked_File.

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 Matrix-Locked_File.

External Pages

  • mailto:restoreassistant2@tutanota.com

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