Type
File Name
Location
Doyuk was first discovered in November 2021 in enterprise cloud environments. Doyuk is found in environments with a number of different names, including Doyuk 2.0, etc. For a full list of all names, please see below.
Name
Doyuk
First Seen
November 2021
Doyuk is known to target specific file types. Below are all known file types that Doyuk is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Doyuk 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 Doyuk ransomware is known to change.
Suffixes
.doyuk2
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 Doyuk.
Type File Name Location file Warning.txt Desktop
These are the names of the executables that contain the undetonated ransomware payload for Doyuk.
Executables
Encrypt.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 Doyuk.
External Pages
