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:
HOW TO DECRYPT FILES.txt
Ransom message:
notes/HOW TO DECRYPT FILES.txt
Note locations:
EveryFolder
HOW TO DECRYPT FILES.html
Ransom message:
notes/HOW TO DECRYPT FILES.html
Note locations:
EveryFolder
Como 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