Ransomware Research

About BlueLocker

BlueLocker

BlueLocker was first discovered in November 2021 in enterprise cloud environments. BlueLocker is found in environments with a number of different names, including BlueCryptor, etc. For a full list of all names, please see below.

Name BlueLocker
AKA
  • BlueCryptor
First Seen November 2021
Targeting

Behavior of BlueLocker

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

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

Learn More

Characteristics of BlueLocker

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

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 BlueLocker ransomware is known to change.

Suffixes.blue

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 BlueLocker.

Typefile
File Namerestore_file.txt
LocationEveryFolder

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 BlueLocker.

External Pages
  • mailto:grepmord@protonmail.com
How Elastio can help

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