Ransomware Research

About BlockFile12


BlockFile12 was first discovered in May 2017 in enterprise cloud environments.

Name BlockFile12
First Seen May 2017

Behavior of BlockFile12

BlockFile12 is known to target specific file types. Below are all known file types that BlockFile12 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. BlockFile12 unknown the last modified date of the file it targets.

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Characteristics of BlockFile12

Here are some of the unique characteristics that are helpful to know about BlockFile12.


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 BlockFile12 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 BlockFile12.

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 BlockFile12.

External Pages
  • mailto:itankan12@gmail.com
How Elastio can help

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