About “MSIL/Kryptik.YUC” infection

The MSIL/Kryptik.YUC 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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What MSIL/Kryptik.YUC virus can do?

Executable code extraction
Creates RWX memory
Reads data out of its own binary image
The binary likely contains encrypted or compressed data.
Network activity detected but not expressed in API logs

How to determine MSIL/Kryptik.YUC?


File Info:
crc32: 685DFA09
md5: a0145aa978c7e031ef33d7c55ad2fc58
name: A0145AA978C7E031EF33D7C55AD2FC58.mlw
sha1: 25f75273a6f74a240aaa4465bd8cc6151cd7f905
sha256: 87762c6fbf91d3196374ca9d600e4f3c55f59d9be40c8ecf6e50e0f4e6e1032e
sha512: fafe9197788a2b3fb318ef4c3b79bb6d66e12b7c88618ad5bf6f9158ecda320daae94a89486baa4974ca368b45fedd247063242bbe5f656c595b0901108af106
ssdeep: 12288:J6L6Sq66Bn7KowJN3d6COzpMidt8LFG9NX2g:acKoMt6Ldfb8
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9  2018
Assembly Version: 1.0.0.0
InternalName: 1x639.exe
FileVersion: 1.0.0.0
CompanyName: 
LegalTrademarks: 
Comments: 
ProductName: Client
ProductVersion: 1.0.0.0
FileDescription: Client
OriginalFilename: 1x639.exe

MSIL/Kryptik.YUC also known as:

Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.GenericKD.35376019
McAfee	Artemis!A0145AA978C7
Cylance	Unsafe
BitDefender	Trojan.GenericKD.35376019
Cybereason	malicious.3a6f74
Arcabit	Trojan.Generic.D21BCB93
BitDefenderTheta	Gen:NN.ZemsilF.34658.Nm0@aGZj@0g
Cyren	W32/MSIL_Agent.BKT.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
TrendMicro-HouseCall	TrojanSpy.MSIL.TESLA.THKBEBO
Kaspersky	HEUR:Trojan.MSIL.Hesv.gen
Ad-Aware	Trojan.GenericKD.35376019
Sophos	ML/PE-A
TrendMicro	TrojanSpy.MSIL.TESLA.THKBEBO
McAfee-GW-Edition	BehavesLike.Win32.Generic.jh
FireEye	Generic.mg.a0145aa978c7e031
Emsisoft	Trojan.GenericKD.35376019 (B)
SentinelOne	Static AI – Malicious PE
eGambit	Unsafe.AI_Score_99%
Microsoft	Trojan:MSIL/Agentesla.MC!MTB
ZoneAlarm	HEUR:Trojan.MSIL.Hesv.gen
GData	Trojan.GenericKD.35376019
Cynet	Malicious (score: 100)
VBA32	CIL.HeapOverride.Heur
ALYac	Trojan.GenericKD.44638571
MAX	malware (ai score=82)
Malwarebytes	Trojan.MalPack
APEX	Malicious
ESET-NOD32	a variant of MSIL/Kryptik.YUC
Ikarus	Trojan.Inject
Fortinet	MSIL/GenKryptik.EWCI!tr
Webroot	W32.Trojan.Gen
AVG	Win32:MalwareX-gen [Trj]
Avast	Win32:MalwareX-gen [Trj]

How to remove MSIL/Kryptik.YUC?

MSIL/Kryptik.YUC removal tool

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.

About the author

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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