Ransomware Research

About Cerber 2

Cerber 2

Cerber 2 was first discovered in April 2017 in enterprise cloud environments.

Name Cerber 2
First Seen April 2017


To better understand Cerber 2, we can trace it’s origins. Below is a snapshot of Cerber 2’s genealogy.

Cerber » Cerber 2

Behavior of Cerber 2

Cerber 2 is known to target specific file types. Below are all known file types that Cerber 2 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. Cerber 2 updates the last modified date of the file it targets.

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Characteristics of Cerber 2

Here are some of the unique characteristics that are helpful to know about Cerber 2.


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 2 ransomware is known to change.


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 2.

File Name/_READ_THI$_FILE_[A-Z0-F]{4,8}_.hta/
File Name/_READ_THI$_FILE_[A-Z0-F]{4,8}_.jpeg/
File Name/_READ_THI$_FILE_[A-Z0-F]{4,8}_.txt/


These are the names of the executables that contain the undetonated ransomware payload for Cerber 2.

ExecutablesParameter, Parameter.exe, chrome_update.exe, Straightness, Straightness.exe, encrypted.exe, 3pKypdB8nN.mht, Acotyledon, Acotyledon.exe, a274cab.png, e1b.png, d693.png, de4709440eb4ca2.png, 3e45d6ff43.png, 8e6fc462782c0.png, 2e4bee.png, cb137e229.png, a1.exe, aa, vEER3.7z

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 2.

External Pages
  • http://p27dokhpz2n7nvgr.1a7wnt.top
  • http://p27dokhpz2n7nvgr.1czh7o.top
  • http://p27dokhpz2n7nvgr.1hpvzl.top
  • http://p27dokhpz2n7nvgr.1pglcs.top
  • http://p27dokhpz2n7nvgr.1cewld.top

Available Decryptors for Cerber 2

Decryptors help to decrypt the infected ransomware files. Below are the known decryptors for files that have been infected by Cerber 2.

If there are any known decryptors for this ransomware, they are linked here.

How Elastio can help

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