Ransomware Research

About BTCWare

BTCWare

BTCWare was first discovered in March 2017 in enterprise cloud environments.

Name BTCWare
First Seen March 2017

Genealogy

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

CrptXXX » BTCWare
Targeting

Behavior of BTCWare

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

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

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Characteristics of BTCWare

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

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 ransomware is known to change.

Suffixes.btcware, .theva, .onyon, .xfile, .blocking, .master, .aleta, .cryptowin

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.

Typefile
File Name#_HOW_TO_FIX.inf
LocationEveryFolder
Typefile
File Name#_README_#.inf
LocationEveryFolder
Typefile
File Name!#_DECRYPT_#!.inf
Location
Typefile
File Name!#_RESTORE_FILES_#!.inf
LocationEveryFolder
Typefile
File Name!#_READ_ME_#!.inf
Location

Executables

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

ExecutablesmfskSkfkls.exe, mfskskfkls.exe, czsdxxs.exe, CRYPTOBYTE_2XX.exe, btcwaretheva, zmsksddfff.exe, zeifjozej.exe, 16312515.exe, .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.

External Pages
  • mailto:yedekveri258@gmail.com
  • mailto:yedeksecurty@gmail.com
  • mailto:lineasupport@protonmail.com
  • mailto:no.xm@protonmail.ch
  • mailto:no.btc@protonmail.ch
  • mailto:decrypts@protonmail.com
  • mailto:decrypter@protonmail.ch
  • mailto:sql772@aol.com
  • mailto:decrypter@onyon.su
  • mailto:tk.btcw@protonmail.ch
  • mailto:avalona.toga@aol.com
  • mailto:3bitcoins@protonmail.com
  • mailto:westbleep@india.com
  • mailto:black.mirror@qq.com
  • mailto:darkwaiderr@cock.li
  • telegram:@decryps
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