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Ransomware Research

Cry9

Cry9 was first discovered in April 2017 in enterprise cloud environments. Cry9 is found in environments with a number of different names, including Cry128, etc. For a full list of all names, please see below.

Name

Cry9

 

First Seen

April 2017

Targeting

Behavior of Cry9

Cry9 is known to target specific file types. Below are all known file types that Cry9 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. Cry9 unknown the last modified date of the file it targets.

Details

Characteristics of Cry9

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 Cry9 ransomware is known to change.

Suffixes

-isabela1956@aprotonmail.ch, -sofia_lobster@protonmail.ch

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 Cry9.

Executables

These are the names of the executables that contain the undetonated ransomware payload for Cry9.

Executables

通信, 通信.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 Cry9.

External Pages

  • mailto:nemesis_decryptor@aol.com
  • mailto:x3m-pro@protonmail.com
  • mailto:x3m@usa.com
  • mailto:juccy@protonmail.ch
  • mailto:bm-2cxrw462ayqkxpangq4jxbuq2uzjytzh37@bitmessage.ch
  • mailto:isabela1956@aprotonmail.ch
  • mailto:sofia_lobster@protonmail.ch

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