Type
File Name
Location
CryptXXX was first discovered in April 2016 in enterprise cloud environments. CryptXXX is found in environments with a number of different names, including CryptXXX 2.0, etc. For a full list of all names, please see below.
Name
CryptXXX
First Seen
April 2016
CryptXXX is known to target specific file types. Below are all known file types that CryptXXX is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. CryptXXX resets 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 CryptXXX ransomware is known to change.
Suffixes
.crypt, .crypz, .cryp1
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 CryptXXX.
Type File Name Location file !README.HTML EveryFolder file de_crypt_readme.txt EveryFolder file decrypt-instructions.txt EveryFolder file decrypt-instructions.html EveryFolder file decrypt-instructions.bmp EveryFolder file /^@[A-F0-9]{12}.html$/ EveryFolder file /^@[A-F0-9]{12}.txt$/ EveryFolder file /^![A-F0-9]{12}.html$/ EveryFolder file /^![A-F0-9]{12}.txt$/ EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for CryptXXX.
Executables
layouts.exe, adc0.tmp.dll, 3363.tmp.dll, rad30AF9.tmp.dll, rad24cd3.tmp.dll, rad5E0FA.tmp.dll
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 CryptXXX.
External Pages
