Ransomware Research

About Cerber


Cerber was first discovered in February 2016 in enterprise cloud environments.

Name Cerber
First Seen February 2016


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

Cerber » Cerber 2

Behavior of Cerber

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

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

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Characteristics of Cerber

Here are some of the unique characteristics that are helpful to know about Cerber.


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 Cerber ransomware is known to change.

Suffixes.cerber, .cerber2

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 Cerber.

File Name# DECRYPT MY FILES #.html
File Name# DECRYPT MY FILES #.txt
File Name# DECRYPT MY FILES #.url
File Name# DECRYPT MY FILES #.vbs


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

Executablesinstnm.exe, xwizard.exe, waitfor.exe, 1.exe, cerber_payload.exe, 2016-0-neutrino.mem.exe, icardagt.exe, cmdkey.exe, ReAgentc.exe, lodctr.exe, IBxpv.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 Cerber.

External Pages
  • http://cerberhhyed5frqa.azwsxe.win
  • http://cerberhhyed5frqa.werti4.win
  • http://cerberhhyed5frqa.nerti5.win
  • http://cerberhhyed5frqa.m5gid4.win
  • http://cerberhhyed5frqa.workju.win
  • http://decrypttozxybarc.onion
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