Ransomware Research

Xorist Ransomware

Xorist is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Xorist (2016-2019).

Quick Facts

Ransomware Family
Xorist
First Seen
March 1, 2016
Known Aliases
Xorist (2016-2019)

How Xorist Ransomware Works

Targeted Files

Skips first bytes (~0x6D)

File Encryption Patterns

Xorist modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

.....error77002017111..0JELvV..1ss33ggur..5vypSa..6FKR8d..73i87A..@EnCrYpTeD2016@..antihacker2017..ArTeMiS..asdasdasd..ava..BiTgRoNiS..BlackLocker.powerhacker03@hotmail.com..BLACKSNOW..BLACK_MAMBA_Files@QQ.COM..Blocked2..blocked@blocked.cc..C0rp0r@c@0Xr@t..cerber....CerBerSysLocked0009881..cerberV5..Cerber_RansomWare@qq.com..cryptedx..crypted..cryptolocker..CryPton..deccripted@gmail.com..decripted2017@gmail.com..DECRYPT-ID-([0-9]{7,8})..decryptable_options@tutanota.com..decrypter@tutanota.com..DecryptFilesOnlineServices@gmail.com..decryptoffice@tuta.io..decryptor@keemail.me..done..ENCODED..encoderpass..error..ERROR-ID-631001111..error667332([0-9]{5})..errorfiles..ERRORID22779911..fast_decrypt_and_protect@tutanota.com..FbFu..filebk..fileiscryptedhard..GrAnoSinsa..HELLO..id-([0-9]{8}){frogobigens@india.com}.lock..id-{([0-9-A-Z]*)}_decrypt24@india_com..id09042..imme..InSDelCryptEnd..InSDelCryptEnd2..LOCKED..mafee..mbrcodes..Mcafee..n1wLp0..o11fFQ..okean-1955@india.com.xtbl..p5tkjw..pa2384259..PoAr2w..PrOtOnIs..protect_and_security@tutamail.com..Recoverfiles2017@qq.com..RecoverSystem@keemail.me..repairme2017@keemail.me..repairme@tutanota.com..RSA-4096..rtyrtyrty..RuSVon..SaMsUnG..SeCuReBlOcK..stoppirates..sunliga..support_repair@qq.com..TaRoNiS..TraNs..TraNs550DonE..UslJ6m..ViPer..xdata..xdfxdfxdf..YNhlv1..zc3791..zixer2..zonfi..zonfir..zongros..CryptoLocker2015breakingBadPAY..RaZoNiS..FrAnTuLiZoN

Ransom Note and Payment Demands

After encrypting files, Xorist displays ransom notes demanding payment for file recovery:

fileHOW TO DECRYPT FILES.txt

Ransom message:

notes/HOW TO DECRYPT FILES.txt

Note locations:

EveryFolder
fileHOW TO DECRYPT FILES.html

Ransom message:

notes/HOW TO DECRYPT FILES.html

Note locations:

EveryFolder
fileComo descriptografar seus arquivos.txt

Ransom message:

notes/Como descriptografar seus arquivos.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Xorist ransomware:

  • 1.exe
  • 111.exe
  • myfile.exe
  • XX.exe
  • Start.exe.bin
  • iji.exe
  • X8Bmw05oX0B1C65.exe
  • VBoxDTrace
  • VBoxDTrace.exe
  • Tax Refund notification.exe
  • Instructions.exe
  • dawdawd.exe
  • 0j1fdos3kkk97ol.exe
  • Xorist (2).exe
  • dllhost.exe
  • recibo.pdf.exe
  • .exe
  • IVEDUPGJ.exe
  • Nhfys52
  • Trickbot-sample-OlfXexkXp.exe
  • Oigys63.exe
  • asdofbuasdif.exe
  • wef346645.exe
  • BCL8UUX5.exe
  • QE8DBOFU.exe
  • wef346645
  • vkOTWqaQvab.exe
  • xorist_mcafee.exe
  • Mcafee.bin
  • Xorist.exe
  • Mcafee.exe

Recovery and Decryption Tools

Good news! Decryption tools are available for Xorist ransomware:

0

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About This Analysis

This Xorist ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Xorist.

Last updated: July 30, 2025

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