Ransomware Research
About AvosLocker
AvosLocker
AvosLocker was first discovered in July 2021 in enterprise cloud environments.
| Name | AvosLocker |
|---|---|
| First Seen | July 2021 |
Genealogy
To better understand AvosLocker, we can trace it’s origins. Below is a snapshot of AvosLocker’s genealogy.
| Avaddon » AvosLocker |
Targeting
Behavior of AvosLocker
AvosLocker is known to target specific file types. Below are all known file types that AvosLocker is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. AvosLocker updates the last modified date of the file it targets.
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Characteristics of AvosLocker
Here are some of the unique characteristics that are helpful to know about AvosLocker.
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 AvosLocker ransomware is known to change.
| Suffixes | .avos, .avos2, .avoslinux |
|---|
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 AvosLocker.
| Type | file |
|---|---|
| File Name | GET_YOUR_FILES_BACK.txt |
| Location | EveryFolder |
| Type | file |
|---|---|
| File Name | README_FOR_RESTORE |
| Location | EveryFolder |
Executables
These are the names of the executables that contain the undetonated ransomware payload for AvosLocker.
| Executables | d285f1366d0d4fdae0b558db690497ea.exe.@, test campaign jan-linux-amd64.bin, potter.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 AvosLocker.
| External Pages |
|
|---|
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