Ransomware Research

About BlackRuby-2


BlackRuby-2 was first discovered in March 2018 in enterprise cloud environments.

Name BlackRuby-2
First Seen March 2018


To better understand BlackRuby-2, we can trace it’s origins. Below is a snapshot of BlackRuby-2’s genealogy.

InfiniteTear » BlackRuby » BlackRuby-2

Behavior of BlackRuby-2

BlackRuby-2 is known to target specific file types. Below are all known file types that BlackRuby-2 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. BlackRuby-2 updates the last modified date of the file it targets.

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Characteristics of BlackRuby-2

Here are some of the unique characteristics that are helpful to know about BlackRuby-2.


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 BlackRuby-2 ransomware is known to change.

Suffixes.BlackRuby2, .BlackRubyLight


Some ransomware will change or prepend a prefix to the beginning of the file after they are encrypted. Here are some of the possible prefixes found at the front of a filename that BlackRuby-2 ransomware is known to have.


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 BlackRuby-2.



These are the names of the executables that contain the undetonated ransomware payload for BlackRuby-2.

ExecutablesWindows Defender.exe, blackruby lite, host64.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 BlackRuby-2.

External Pages
  • mailto:blackruby@tutanota.com
  • mailto:theblackruby@torbox3uiot6wchz.onion
How Elastio can help

Don’t let ransomware
take over your data.

Elastio is a cloud-native data resilience platform on AWS, providing robust security and assuring the recoverability of critical data in cloud environments.

Elastio protects data from ransomware and malware evading perimeter defenses and mitigates downtime, data loss, and reputational harm for businesses.