Type
File Name
Location
CrystalCrypt was first discovered in May 2017 in enterprise cloud environments.
Name
CrystalCrypt
First Seen
May 2017
CrystalCrypt is known to target specific file types. Below are all known file types that CrystalCrypt is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. CrystalCrypt 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 CrystalCrypt ransomware is known to change.
Suffixes
.BLOCKED
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 CrystalCrypt.
Type File Name Location message OnceOnCompletion file CrystalCrypt_Recover_Instructions.txt Desktop screenshot Desktop
These are the names of the executables that contain the undetonated ransomware payload for CrystalCrypt.
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 CrystalCrypt.
