Categories: Malware

MSIL/Kryptik.YBI malicious file

The MSIL/Kryptik.YBI is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What MSIL/Kryptik.YBI virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself

How to determine MSIL/Kryptik.YBI?


File Info:

crc32: 2802C161md5: 178c49179ec77048f4c7fc5e1b2a0223name: ebyjon.exesha1: 26bd889da7c9ba37f4d4a48554c723d06527ea97sha256: 7d24e03cf57cf28e958881771e186fb432233bdccb831037d6c574cf82ac6214sha512: 3d5e8c2b3984c7f2094043c2bf1cee0083a3305999d9e2d6f4f684e450b8f3d3e42936f918e990981e9aa0f79b066e356c99d00f9b5903434efa520423147980ssdeep: 12288:GeulXQrHAPrpb4ErUuEzkKt4JO1OgMmPvDIC0JRitzi1ex:2QruUuakKtw6Pv0hJAzi1type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2018Assembly Version: 1.0.0.0InternalName: CB.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: Triangulation.CoreProductVersion: 1.0.0.0FileDescription: Triangulation.CoreOriginalFilename: CB.exe

MSIL/Kryptik.YBI also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.34695312
FireEye Generic.mg.178c49179ec77048
McAfee RDN/Generic.hbg
Cylance Unsafe
Sangfor Malware
CrowdStrike win/malicious_confidence_70% (W)
BitDefender Trojan.GenericKD.34695312
K7GW Trojan ( 005707a51 )
K7AntiVirus Trojan ( 005707a51 )
TrendMicro TROJ_GEN.R057C0DJ920
Cyren W32/MSIL_Kryptik.BVD.gen!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:RATX-gen [Trj]
ClamAV Win.Packed.Generic-9775991-0
Kaspersky HEUR:Trojan.MSIL.Crypt.gen
Alibaba TrojanSpy:MSIL/AgentTesla.728a0093
ViRobot Trojan.Win32.Z.Kryptik.624640.FR
AegisLab Trojan.Win32.Generic.4!c
Ad-Aware Trojan.GenericKD.34695312
Emsisoft Trojan.Agent (A)
Comodo Malware@#2fma8e0u1wtb3
F-Secure Trojan.TR/Kryptik.mjgan
DrWeb BackDoor.SpyBotNET.25
Invincea Mal/Generic-R + Troj/MSIL-PXQ
McAfee-GW-Edition BehavesLike.Win32.Generic.jc
Sophos Troj/MSIL-PXQ
Ikarus Trojan.MSIL.Krypt
Jiangmin Trojan.MSIL.qwhn
MaxSecure Trojan.Malware.300983.susgen
Avira TR/Kryptik.mjgan
MAX malware (ai score=80)
Antiy-AVL Trojan/MSIL.Crypt
Microsoft TrojanSpy:MSIL/AgentTesla.AQ!MTB
Arcabit Trojan.Generic.D2116890
ZoneAlarm HEUR:Trojan.MSIL.Crypt.gen
GData Trojan.GenericKD.34695312
Cynet Malicious (score: 85)
AhnLab-V3 Trojan/Win32.MSILKrypt.R352679
ALYac Trojan.GenericKD.34695312
Malwarebytes Spyware.Agent
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Kryptik.YBI
TrendMicro-HouseCall TROJ_GEN.R057C0DJ920
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_66%
Fortinet MSIL/Kryptik.YCH!tr
AVG Win32:RATX-gen [Trj]
Cybereason malicious.da7c9b
Paloalto generic.ml
Qihoo-360 Generic/HEUR/QVM03.0.66A3.Malware.Gen

How to remove MSIL/Kryptik.YBI?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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