Ransomware Research

About CryptGh0st

CryptGh0st

CryptGh0st was first discovered in March 2017 in enterprise cloud environments.

Name CryptGh0st
First Seen March 2017
Targeting

Behavior of CryptGh0st

CryptGh0st is known to target specific file types. Below are all known file types that CryptGh0st is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. CryptGh0st unknown the last modified date of the file it targets.

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Characteristics of CryptGh0st

Here are some of the unique characteristics that are helpful to know about CryptGh0st.

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 CryptGh0st ransomware is known to change.

Suffixes.cryptgh0st, .FileEncrypted, .kvllyatprotonmaildotch, .rencrypted

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 CryptGh0st.

Typefile
File NameREAD_TO_DECRYPT.html

Executables

These are the names of the executables that contain the undetonated ransomware payload for CryptGh0st.

Executablesransomware.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 CryptGh0st.

External Pages
  • mailto:cryptgh0st@protonmail.com
  • mailto:160505@tt3j2x4k5ycaa5zt.onion
  • mailto:kvlly@protonmail.ch
  • mailto:iohw634@gmail.com
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