Categories: Malware

Should I remove “MSIL/Kryptik.AATY”?

The MSIL/Kryptik.AATY 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.AATY virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Creates a hidden or system file
  • Creates a copy of itself

How to determine MSIL/Kryptik.AATY?


File Info:

crc32: 999358CCmd5: 6971d0864d9a2f01fc96bf5c7f87d36cname: 6971D0864D9A2F01FC96BF5C7F87D36C.mlwsha1: d077a2062249cf51dc1001d4650ee6c1d03c7727sha256: b4d96af292dd978e092a783a3a68d13f937d1ec67504fefb8922df68f5734086sha512: 18ccf12a35ac7647552959b33fdbbbd9b52a79c32412de826fcaa89d24aae247772a9ac5e39a43ac07d0eb67d430876ba9835092f019ddfeb5e4bbee0b8d5f33ssdeep: 24576:rSH0/OyKdR0zw8D2lRi4AchcA97XnwGbSk5wMHmtS:rSH0/N20GlRXdhl9LbS6wMHftype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2019Assembly Version: 2.1.0.0InternalName: ReturnMessage.exeFileVersion: 2.1.0.0CompanyName: Mateusz ZwierzyckiLegalTrademarks: Comments: Owl machine learning frameworkProductName: OwlProductVersion: 2.1.0.0FileDescription: Owl.CoreOriginalFilename: ReturnMessage.exe

MSIL/Kryptik.AATY also known as:

K7AntiVirus Trojan ( 0057bfcc1 )
Elastic malicious (high confidence)
DrWeb Trojan.PackedNET.624
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.46249848
CrowdStrike win/malicious_confidence_60% (W)
Alibaba Trojan:MSIL/Kryptik.3c450817
K7GW Trojan ( 0057bfcc1 )
Cybereason malicious.62249c
Cyren W32/MSIL_Troj.ATK.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of MSIL/Kryptik.AATY
Zoner Trojan.Win32.109840
APEX Malicious
Avast Win32:RATX-gen [Trj]
Kaspersky HEUR:Trojan.MSIL.Injuke.gen
BitDefender Trojan.GenericKD.46249848
MicroWorld-eScan Trojan.GenericKD.46249848
Ad-Aware Trojan.GenericKD.46249848
Sophos Mal/Generic-S + Troj/TeslaA-AUW
Comodo TrojWare.Win32.UMal.llizu@0
BitDefenderTheta Gen:NN.ZemsilCO.34688.Xm0@ai0Eqs
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_FRS.VSNTE521
McAfee-GW-Edition BehavesLike.Win32.Fareit.bc
FireEye Generic.mg.6971d0864d9a2f01
Emsisoft Trojan.Crypt (A)
Webroot W32.Trojan.Gen
Avira TR/Redcap.mazzi
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:MSIL/AgentTesla.ON!MTB
Arcabit Trojan.Generic.D2C1B778
AegisLab Trojan.Win32.Malicious.4!c
ZoneAlarm HEUR:Trojan.MSIL.Injuke.gen
GData Trojan.GenericKD.46249848
AhnLab-V3 Trojan/Win.Generic.C4453122
McAfee Artemis!6971D0864D9A
MAX malware (ai score=84)
Malwarebytes Malware.AI.1182150101
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_FRS.VSNTE521
Rising Trojan.AgentTesla!8.104D5 (CLOUD)
Ikarus Trojan.MSIL.Inject
MaxSecure Trojan.Malware.300983.susgen
Fortinet Malicious_Behavior.SB
AVG Win32:RATX-gen [Trj]
Paloalto generic.ml

How to remove MSIL/Kryptik.AATY?

  • 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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