Ransomware Research
About BooM
BooM
BooM was first discovered in December 2018 in enterprise cloud environments. BooM is found in environments with a number of different names, including Epsilon, Revenge, BooM NextGen, etc. For a full list of all names, please see below.
| Name | BooM |
|---|---|
| AKA |
|
| First Seen | December 2018 |
Genealogy
To better understand BooM, we can trace it’s origins. Below is a snapshot of BooM’s genealogy.
| Xorist » BooM » EpsilonCrypt |
Targeting
Behavior of BooM
BooM is known to target specific file types. Below are all known file types that BooM is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. BooM resets the last modified date of the file it targets.
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Characteristics of BooM
Here are some of the unique characteristics that are helpful to know about BooM.
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 BooM ransomware is known to change.
| Suffixes | .Boom, .REVENGE |
|---|
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 BooM.
| Type | file |
|---|---|
| File Name | HOW TO DECRYPT FILES.txt |
| Location | EveryFolder |
| Type | file |
|---|---|
| File Name | ReadToRestore.txt |
| Location | Desktop |
| Type | message |
|---|---|
| Location | OnceOnCompletion |
Executables
These are the names of the executables that contain the undetonated ransomware payload for BooM.
| Executables | file_to_save.exe, file_to_send, Boom ransomware.exe, BooM Ransomeware.exe, BooM.exe, boom.exe, Tempsvchost.exe, BooM2.exe, Ransomeware.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 BooM.
| External Pages |
|
|---|
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