Type
File Name
Location
JCrypt was first discovered in December 2020 in enterprise cloud environments. JCrypt is found in environments with a number of different names, including Locked, Daddycrypt, Omero, JCrypt CryptoToys, etc. For a full list of all names, please see below.
Name
JCrypt
First Seen
December 2020
JCrypt is known to target specific file types. Below are all known file types that JCrypt is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. JCrypt 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 JCrypt ransomware is known to change.
Suffixes
.jcrypt, .locked, .daddycrypt, .omero, .ncovid, .NotStonks, .crypted, .iam_watching, .vn_os, .wearefriends, .MALWAREDEVELOPER, .MALKI, .poison, .foxxy, .ZAHACKED, .JEBAĆ_BYDGOSZCZ!!!
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 JCrypt.
Type File Name Location file /_{1,3}RECOVER__FILES__.w+.txt$/ Desktop file READ_ME.crypted.txt Desktop file _#ODZYSKAJ_PLIKI–.JEBAĆ_BYDGOSZCZ!!!.txt Desktop
These are the names of the executables that contain the undetonated ransomware payload for JCrypt.
Executables
svchost.exe, Microsoft Corporation.exe, svchost%0C.exe, WindowsFormsApp1.exe, encrypter.exe, SPREADTHECORRUPTION.exe, winhelp.exe, setup.exe, WindowsFormsApp1 (2).bin, WindowsFormsApp1.bin, DaddyCrypt Ransomware.exe, covid.exe, StonksVirus.exe, WindowsFormsApp1c.exe, 1.exe, vn_os.exe, hehehe.exe, MALKI.exe, Foxxy.png.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 JCrypt.
External Pages
