Ransomware Research

BLOCKER

BLOCKER was first discovered in March 2023 in enterprise cloud environments.

Name

BLOCKER

 

First Seen

March 2023

Targeting

Behavior of BLOCKER

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

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

Details

Characteristics of BLOCKER

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 BLOCKER ransomware is known to change.

Suffixes

/.d{2}[a-z]{2}d{2}@BLOCKED$/

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 BLOCKER.

Type

File Name

Location

file

/^[a-z]{15}.txt$/

EveryFolder

Executables

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

Executables

Framp.exe, Framp355.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 BLOCKER.

External Pages

  • mailto:unk92@keemail.me
  • http://shxee3mha3obdvlquppsfzunwdh4767d6a7b4mb4kg23ceswogrs2bad.onion.pet
  • http://shxee3mha3obdvlquppsfzunwdh4767d6a7b4mb4kg23ceswogrs2bad.onion

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