Ransomware Research

About MedusaLocker

MedusaLocker

MedusaLocker was first discovered in October 2019 in enterprise cloud environments.

Name MedusaLocker
First Seen October 2019
Targeting

Behavior of MedusaLocker

MedusaLocker is known to target specific file types. Below are all known file types that MedusaLocker is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. MedusaLocker updates the last modified date of the file it targets.

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Characteristics of MedusaLocker

Here are some of the unique characteristics that are helpful to know about MedusaLocker.

Suffixes

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 MedusaLocker ransomware is known to change.

Suffixes.encrypted, .bomber, .boroff, .skynet, .breakingbad, .decrypme, .ReadTheInstructions, .ReadInstructions, .networkmaze, .deadfiles, .abstergo, .himynameisransom, .VinDizelPux, .EG, .support, .spartanvladimir60@mail.ru, .divsouth, .lockfilesCO, .lockfilesKR, .1btc, .Readinstruction, .locker16, .newlock, .nlocker, .mamai10, .L41, .datalock, .L16, .farlock3

Ransomware Notes

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 MedusaLocker.

Typefile
File NameHOW_TO_RECOVER_DATA.html
LocationEveryFolder
Typefile
File NameHOW_TO_OPEN_FILES.html
LocationEveryFolder
Typefile
File NameINSTRUCTIONS.html
LocationRootDiscs, UserFolders
Typefile
File NameRecovery_Instructions.html
LocationEveryFolder
Typefile
File NameREADINSTRUCTION.html
LocationEveryFolder
Typefile
File NameRecovery_Instructions.txt
LocationRootDiscs, Desktop
Typefile
File Name!!!HOW_TO_DECRYPT!!!.mht
LocationEveryFolder
Typefile
File NameHow_to_back_files.html
LocationEveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for MedusaLocker.

Executablessvchostt.exe, fix.exe, dix_16.exe, dix_16_xp.exe, svhost.exe, nebuild.exe, va-1.8.exe, OP_new.exe, lr.exe.bak, MedusaLocker Ransomware.exe, 2.exe, CO.exes, M10.exe, jadenzalubov, jadenzalubov.exe, svhost.exe, CRYPTED.EXE

External Pages

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 MedusaLocker.

External Pages
  • http://gvlay6u4g53rxdi5.onion
  • http://qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion
  • mailto:folieloi@protonmail.com
  • mailto:ctorsenoria@tutanota.com
  • mailto:sambolero@tutanoa.com
  • mailto:rightcheck@cock.li
  • mailto:crypt2020@outlook.com
  • mailto:cryptt2020@protonmail.com
  • mailto:decoder83540@protonmail.com
  • mailto:decoder83540@cock.li
  • mailto:mrromber@cock.li
  • mailto:mrromber@tutanota.com
  • mailto:fartcool@protonmail.ch
  • mailto:bestcool@keemail.me
  • mailto:rdp_unlock@outlook.com
  • mailto:rdpunlock@cock.li
  • mailto:sypress@tutanota.com
  • mailto:sypresss@protonmail.com
  • mailto:777decoder777@protonmail.com
  • mailto:777decoder777@tfwno.gf
  • mailto:1974@protonmail.com
  • mailto:briansalgado@protonmail.com
  • mailto:berstife@gmail.com
  • mailto:best@desharonline.top
  • mailto:malieholtan@protonmail.com
  • mailto:emergency911service@outlook.com
  • mailto:mrromber@cock.lii
  • mailto:decoderforyou@protonmail.com
  • mailto:decoderforyou@cock.li
  • mailto:supp0rtdecrypti0n@protonmail.com
  • mailto:dec_helper@outlook.com
  • mailto:dec_helper@excic.com
  • mailto:dec_helper@dremno.com
  • mailto:dec_restore@protonmail.com
  • mailto:decrestore@cock.li
  • mailto:rescuerr@protonmail.com
  • mailto:rescuer@cock.li
  • mailto:spartanvladimir60@mail.ru
  • mailto:bitcoin@mobtouches.com
  • mailto:bitcoin@sitesoutheat.com
  • mailto:support@welchallym.com
  • mailto:support@bigweatherg.com
  • mailto:felleskatalogen@protonmail.com
  • mailto:helper@atacdi.com
  • mailto:helper@buildingwin.com
  • mailto:cmd@jitjat.org
  • mailto:dirhelp@keemail.me
  • mailto:helper2@aveuva.com
  • mailto:helper2@biehes.com
  • mailto:ithelpconcilium@tutanota.com
  • mailto:nicolasmarvinlor@outlook.com
  • mailto:rapid@aaathats3as.com
  • mailto:rpd@keemail.me
  • mailto:ithelp01@decorous.cyou
  • mailto:ithelp01@wholeness.business
  • mailto:decoder100btc@protonmail.com
  • mailto:decoder100btc@cock.li
  • mailto:ithelp02@decorous.cyou
  • mailto:ithelp02@wholeness.business
  • http://gvlay6u4g53rxdi5.onion
  • http://gvlay6u4g53rxdi5.onion/21-E6UQFCEuCn4KvtAh4TonRTpyHqFo6F6L-AEHHeVxHIZaIkV4yQCAs6YDrXnCl9d3a
  • mailto:diniaminius@winrof.com
  • mailto:soterissylla@wyseil.com
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