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Ransomware Research

EZDZ

EZDZ was first discovered in May 2019 in enterprise cloud environments. EZDZ is found in environments with a number of different names, including EZDZ-Locker, etc. For a full list of all names, please see below.

Name

EZDZ

 

First Seen

May 2019

Targeting

Behavior of EZDZ

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

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

Details

Characteristics of EZDZ

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 EZDZ ransomware is known to change.

Suffixes

.EZDZ, .help, .chch

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 EZDZ.

Type

File Name

Location

file

HELP_PC.EZDZ-REMOVE.txt

EveryFolder

file

READ_ME.TXT

EveryFolder

Executables

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

Executables

EZDZ.exe, locker.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 EZDZ.

External Pages

  • mailto:helpforyoupc@tutanota.com
  • mailto:squadhack@email.tg

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