Type
File Name
Location
BTCWare was first discovered in March 2017 in enterprise cloud environments.
Name
BTCWare
First Seen
March 2017
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.
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
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.
Type File Name Location file #_HOW_TO_FIX.inf EveryFolder file !#_READ_ME_#!.hta EveryFolder file #_README_#.inf EveryFolder file !#_DECRYPT_#!.inf file !#_RESTORE_FILES_#!.inf EveryFolder file !#_READ_ME_#!.inf
These are the names of the executables that contain the undetonated ransomware payload for BTCWare.
Executables
mfskSkfkls.exe, mfskskfkls.exe, czsdxxs.exe, CRYPTOBYTE_2XX.exe, btcwaretheva, zmsksddfff.exe, zeifjozej.exe, 16312515.exe,
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
