Type
File Name
Location
Kraken Cryptor was first discovered in August 2018 in enterprise cloud environments. Kraken Cryptor is found in environments with a number of different names, including KrakenCryptor, etc. For a full list of all names, please see below.
Name
Kraken Cryptor
First Seen
August 2018
Kraken Cryptor is known to target specific file types. Below are all known file types that Kraken Cryptor is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Kraken Cryptor updates 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 Kraken Cryptor ransomware is known to change.
Suffixes
.onion, /.[A-Z0-9]{5}$/
Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.
Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from Kraken Cryptor.
Type File Name Location file # How to Decrypt Files.txt EveryFolder file # How to Decrypt Files.html EveryFolder file /^# How to Decrypt Files-[A-Z0-9]{5}.html$/ EveryFolder file /^Instructions-[A-Z0-9]{5}.html$/ EveryFolder screenshot Desktop
These are the names of the executables that contain the undetonated ransomware payload for Kraken Cryptor.
Executables
Kraken.exe, kraken.exe, KrakenCryptor.exe, auService.exe, krakenc.exe, file.exe, myfile.exe, SUPERAntiSpywares.exe, Main.exe, Yandex.exe, UAC.exe, partmgr.sys, Kraken.bin, 2018-10-04_19-37-40.bin, 2018-10-04_19-37-40.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 Kraken Cryptor.
External Pages
