Type
File Name
Location
CTF was first discovered in April 2017 in enterprise cloud environments.
Name
CTF
First Seen
April 2017
CTF is known to target specific file types. Below are all known file types that CTF is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. CTF 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 CTF ransomware is known to change.
Suffixes
.ctf
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 CTF.
Type File Name Location message OnceOnCompletion screenshot Desktop
These are the names of the executables that contain the undetonated ransomware payload for CTF.
Executables
CTF.exe, Gov_Str.docx .exe, wp-admin
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 CTF.
External Pages
