Ransomware Research

LockCrypt

LockCrypt was first discovered in May 2017 in enterprise cloud environments. LockCrypt is found in environments with a number of different names, including LockCrypt 2.0, etc. For a full list of all names, please see below.

Name

LockCrypt

 

First Seen

May 2017

Targeting

Behavior of LockCrypt

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

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

Details

Characteristics of LockCrypt

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 LockCrypt ransomware is known to change.

Suffixes

.lock, .2018, .1btc, .mich, .BI_D, .BadNews, .BDKR, .LyaS

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 LockCrypt.

Type

File Name

Location

file

ReadMe.TxT

file

Restore Files.TxT

file

How To Restore Files.txt

EveryFolder

file

How To Decode Files.hta

EveryFolder

file

How To Restore Files.hta

EveryFolder

Executables

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

Executables

locker.exe, d4d3f.exe, wwvcm.exe, myfile.exe, svchost.exe, FileEncrypter.exe, notepad+++.exe, NOTEPAD+++.EXE, searchfiles.exe, LockCrypt2.0.bin, Trojan.Ransom.LockCrypt.exe, Ransomware LockCrypt.exe, cc.exe, 626.json, 2018-09-21 LockCrypt2.0.exe, fcr.exe, CRYPT.EXE, RAP.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 LockCrypt.

External Pages

  • mailto:d_dukens@aol.com
  • mailto:d_dukens@bitmessage.ch
  • mailto:djekr@aol.com
  • mailto:bm-2cxevy8d3lfpulprq8423ajb7nj4nfepfd@bitmessage.ch
  • mailto:stnsatan@aol.com
  • mailto:satan-stn@bitmessage.ch
  • mailto:enigmax_x@aol.com
  • mailto:enigmax_x@bitmessage.ch
  • mailto:jekr@aol.com
  • mailto:jajanielse@aol.com
  • mailto:jajanielse@bitmessage.ch
  • mailto:purely_purely2@aol.com
  • mailto:purely_purely2@bitmessage.ch
  • mailto:dyamol@bitmessage.ch
  • mailto:of_decoders@aol.com
  • mailto:of_decoders@bitmessage.ch
  • mailto:dyamol@aol.com
  • mailto:jacob_888jk@aol.com
  • mailto:jacob_888jk@bitmessage.ch
  • mailto:big_decryptor@aol.com
  • mailto:bm-2ctapjttkqiw2twtykgm5mtocfaz7g5fzc@bitmessage.ch
  • mailto:terminator_123@protonmail.com
  • bitmessage:BM-2cTAPjtTkqiW2twtykGm5mtocFAz7g5FZc

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