Type
File Name
Location
FonixCrypter was first discovered in May 2020 in enterprise cloud environments. FonixCrypter is found in environments with a number of different names, including Fonix, Repter, XINOF, etc. For a full list of all names, please see below.
Name
FonixCrypter
First Seen
May 2020
FonixCrypter is known to target specific file types. Below are all known file types that FonixCrypter is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. FonixCrypter 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 FonixCrypter ransomware is known to change.
Suffixes
.Fonix, .repter, .XINOF, .harma
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 FonixCrypter.
Type File Name Location file # How To Decrypt Files #.hta EveryFolder file How To Decrypt Files.hta EveryFolder file Help.txt EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for FonixCrypter.
Executables
repter.exe, Repter.exe, XINOF.exe, 9egggs.exe, 32.exe, xinof.exe, 1249346496.exe, XINOF4.3.232.exe
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 FonixCrypter.
External Pages