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Ransomware Research

BTCWare-Gryphon

BTCWare-Gryphon was first discovered in July 2017 in enterprise cloud environments. BTCWare-Gryphon is found in environments with a number of different names, including Gryphon, etc. For a full list of all names, please see below.

Name

BTCWare-Gryphon

 

First Seen

July 2017

Targeting

Behavior of BTCWare-Gryphon

BTCWare-Gryphon is known to target specific file types. Below are all known file types that BTCWare-Gryphon is known to infect.

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

Details

Characteristics of BTCWare-Gryphon

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 BTCWare-Gryphon ransomware is known to change.

Suffixes

.gryphon, .crypton, .nuclear

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 BTCWare-Gryphon.

Type

File Name

Location

file

HELP.txt

Roaming

file

!## DECRYPT FILES ##!.txt

EveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for BTCWare-Gryphon.

Executables

clickmeplz.exe, JKHFSHSHTUYOERSK.exe, 1.exe, Underkeeper2, Underkeeper2.exe, btcware2.exe, adiks.exe, x.exe, Regshot Portable, RegshotPortable.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 BTCWare-Gryphon.

External Pages

  • mailto:decr@cock.li
  • mailto:decrsup@cock.li
  • mailto:payoff@cock.li
  • mailto:payoff@bigmir.net
  • mailto:chines34@protonmail.ch
  • mailto:oceannew_vb@protonmail.com
  • mailto:garryhelpyou@qq.com
  • mailto:garrymagic@tutanota.com
  • mailto:gladius_rectus@aol.com
  • mailto:gladius_rectus@india.com
  • mailto:macgregor@aolonline.top
  • mailto:universe1@protonmail.ch
  • mailto:universe11@bigmir.net
  • mailto:payfordecrypt@qq.com
  • mailto:crypthelp@qq.com
  • mailto:black.world@tuta.io
  • mailto:darkwaiderr@tutanota.com
  • mailto:darkwaiderr@gmx.de
  • mailto:decrypt24@protonmail.com
  • mailto:asdqwer123@cock.li
  • mailto:assistance@firemail.cc
  • mailto:goldwave@india.com
  • mailto:blackworld@cock.li
  • mailto:fidel_romposo@aol.com
  • mailto:black.mirror@qq.com
  • http://cr7icbfqm64hixta.onion.to
  • http://cr7icbfqm64hixta.onion.link
  • http://cr7icbfqm64hixta.onion
  • https://cr7icbfqm64hixta.onion.to
  • https://cr7icbfqm64hixta.onion.link
  • mailto:offpay@protonmail.com

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