Ransomware Research

About Bit

Bit

Bit was first discovered in August 2020 in enterprise cloud environments. Bit is found in environments with a number of different names, including DCryptSoft, Readme, LolKek, etc. For a full list of all names, please see below.

Name Bit
AKA
  • DCryptSoft
  • Readme
  • LolKek
First Seen August 2020

Genealogy

To better understand Bit, we can trace it’s origins. Below is a snapshot of Bit’s genealogy.

DeathRansom » LolKek » Bit
Targeting

Behavior of Bit

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

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

Learn More

Characteristics of Bit

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

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 Bit ransomware is known to change.

Suffixes.readme, .ReadMe, .MME, .mrv

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 Bit.

Typefile
File NameRead_Me.txt
LocationEveryFolder

Executables

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

ExecutablesDCryptSoft.exe, 114.exe, 䶲䶮䶴䷣䷭䷢䷡䷠䶳䷠䷟䷞䷆䷩䷢.exe, 36880.exe, 101.exe, VlKvi.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 Bit.

External Pages
  • http://54fjmcwsszltlixn.onion
  • http://helpqvrg3cc5mvb3.onion
  • http://7rzpyw3hflwe2c7h.onion
  • http://24cduc2htewrcv37.onion
  • http://mrv44idagzu47oktcipn6tlll6nzapi6pk3u7ehsucl4hpxon45dl4yd.onion
  • jabber:rick5@xmpp.jp
  • mailto:filessupport@cock.li
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.

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