Type
File Name
Location
CryptInfinite was first discovered in October 2015 in enterprise cloud environments. CryptInfinite is found in environments with a number of different names, including DecryptorMax, etc. For a full list of all names, please see below.
Name
CryptInfinite
First Seen
October 2015
CryptInfinite is known to target specific file types. Below are all known file types that CryptInfinite is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. CryptInfinite 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 CryptInfinite ransomware is known to change.
Suffixes
.CRINF
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 CryptInfinite.
Type File Name Location file ReadDecryptFilesHere.txt EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for CryptInfinite.
Executables
Cryptinfinite.exe, ais_samples (378).exe, test-pcac33-2ff6.exe, svchost.exe, dm.exe, svchost.exe_jLe, brittney58006-b9ef.exe, gOpK.msi
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 CryptInfinite.
External Pages
