Ransomware Research

Zilla

Zilla was first discovered in June 2017 in enterprise cloud environments.

Name

Zilla

 

First Seen

June 2017

Targeting

Behavior of Zilla

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

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

Details

Characteristics of Zilla

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 Zilla ransomware is known to change.

Suffixes

.zilla, .Atom

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 Zilla.

Type

File Name

Location

file

OkuBeni.txt

EveryFolder

file

ReadMeNow.txt

EveryFolder

file

@@BurayaBak.txt

EveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for Zilla.

Executables

ConsoleApplication1.exe, Zilla.exe, JAtom.exe, love.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 Zilla.

External Pages

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