Ransomware Research

About 24H


24H was first discovered in July 2018 in enterprise cloud environments.

Name 24H
First Seen July 2018

Behavior of 24H

24H is known to target specific file types. Below are all known file types that 24H is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. 24H unknown the last modified date of the file it targets.

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Characteristics of 24H

Here are some of the unique characteristics that are helpful to know about 24H.


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 24H 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 24H.

File NameReadME-24H.txt

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 24H.

External Pages
  • mailto:24h@tutanota.com
  • mailto:24hdecryptor@mail.ru
How Elastio can help

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Elastio protects data from ransomware and malware evading perimeter defenses and mitigates downtime, data loss, and reputational harm for businesses.