Type
File Name
Location
Interlock was first discovered in September 2024 in enterprise cloud environments. Interlock is found in environments with a number of different names, including Interlock Extortion Group, etc. For a full list of all names, please see below.
Name
Interlock
First Seen
September 2024
Interlock is known to target specific file types. Below are all known file types that Interlock is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Interlock unknown 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 Interlock ransomware is known to change.
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 Interlock.
Type File Name Location file !__README__! 1.txt
These are the names of the executables that contain the undetonated ransomware payload for Interlock.
Executables
7ff6c1d70000.xxtlz.exe, 7ff6c1d70000.xxtlz.asd.exe, 7ffbfc130000.conhost2.dll.exe, 7ffbfc130000.conhost2.dll, start.old
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 Interlock.
External Pages
