Ransomware Research
About BlackRuby
BlackRuby
BlackRuby was first discovered in February 2018 in enterprise cloud environments.
| Name | BlackRuby |
|---|---|
| First Seen | February 2018 |
Genealogy
To better understand BlackRuby, we can trace it’s origins. Below is a snapshot of BlackRuby’s genealogy.
| InfiniteTear » BlackRuby » BlackRuby-2 |
Targeting
Behavior of BlackRuby
BlackRuby is known to target specific file types. Below are all known file types that BlackRuby is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. BlackRuby updates the last modified date of the file it targets.
Learn More
Characteristics of BlackRuby
Here are some of the unique characteristics that are helpful to know about BlackRuby.
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 BlackRuby ransomware is known to change.
| Suffixes | .BlackRuby |
|---|
Prefixes
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 ransomware is known to have.
| Prefixes | Encrypted_ |
|---|
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.
| Type | file |
|---|---|
| File Name | HOW-TO-DECRYPT-FILES.txt |
| Location | EveryFolder |
Executables
These are the names of the executables that contain the undetonated ransomware payload for BlackRuby.
| Executables | Windows Defender.exe, WindowsUI.exe, file.exe, WINDOWSUI.EXE, windowsui.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.
| External Pages |
|
|---|
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