Ransomware Research

LeChiffre

LeChiffre was first discovered in June 2015 in enterprise cloud environments.

Name

LeChiffre

 

First Seen

June 2015

Targeting

Behavior of LeChiffre

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

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

Details

Characteristics of LeChiffre

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 LeChiffre ransomware is known to change.

Suffixes

.lechiffre, .QLZWVR_LeChiffre

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 LeChiffre.

Type

File Name

Location

file

/^_how to decode[?w+]?.txtb/

file

QLZWVR_LeChiffre_ReadMe.txt

Executables

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

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 LeChiffre.

External Pages

  • https://t.me/isres
  • mailto:my.files@gmail.com
  • mailto:lechiffre@india.com
  • mailto:lechiffre@mailchuck.com
  • mailto:lechiffre@firemail.cc
  • bitmessage:BM-2cX29XoQx3AduRtttTmqtSC9pZekDffkEy
  • bitmessage:BM-2cTTNY8gzaTxEoPDs9P1jaSRPdit9n8G65
  • telegram:@isres

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