Heur.MSIL.Krypt.41 (B) (file analysis)

The Heur.MSIL.Krypt.41 (B) 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 Heur.MSIL.Krypt.41 (B) virus can do?

Dynamic (imported) function loading detected
Authenticode signature is invalid
Anomalous .NET characteristics

How to determine Heur.MSIL.Krypt.41 (B)?


File Info:
name: 3DB99AF6C9FF39979042.mlw
path: /opt/CAPEv2/storage/binaries/e4c5e54155a6ff8d96512f8c14c641ba9991a120a0b399ef01edfbacf82298e7
crc32: FDE106A5
md5: 3db99af6c9ff399790424ed4d0abf190
sha1: f0539a92967215281b8be4568bd8f7657165bdcb
sha256: e4c5e54155a6ff8d96512f8c14c641ba9991a120a0b399ef01edfbacf82298e7
sha512: 9e77fe6553225a2debb3926a56fd28abe4d94520cb715e24a2a10a07e65a0507b4b6a3ba2b105daa30c240af1af27cbc7cd05e0be808ff489458cabeebe1819b
ssdeep: 1536:5uuwEMyWlln2TNFFTOE51tknzhh1+2/TeW9xFwA1IOoNLWS8:5SsWll2TNFFTOQ1KdhE2r59xi3OcY
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1859359243AEB501AF1B3AF765BE47596DA6FB7733B07646D1091038A0B23900EED153E
sha3_384: 5aa5367f2ac5746c59a1cafebb8e9f9b6b3298d66ca1cffcd4c63a11a2582d8bba5dfb95d0c4e88adbc06db4c16af44e
ep_bytes: ff250020400000000000000000000000
timestamp: 2018-02-04 11:52:04

Version Info:
Translation: 0x0000 0x04b0
FileDescription:  
FileVersion: 0.0.0.0
InternalName: Server.exe
LegalCopyright:  
OriginalFilename: Server.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

Heur.MSIL.Krypt.41 (B) also known as:

Elastic	malicious (high confidence)
MicroWorld-eScan	Gen:Heur.MSIL.Krypt.41
ALYac	Gen:Heur.MSIL.Krypt.41
Cylance	Unsafe
K7AntiVirus	Trojan ( 004d99ff1 )
K7GW	Trojan ( 004d99ff1 )
CrowdStrike	win/malicious_confidence_100% (D)
Cyren	W32/A-770b6427!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Kryptik.EPI
APEX	Malicious
Kaspersky	HEUR:Trojan.MSIL.Generic
BitDefender	Gen:Heur.MSIL.Krypt.41
Avast	Win32:Malware-gen
Ad-Aware	Gen:Heur.MSIL.Krypt.41
Sophos	ML/PE-A + Mal/Kryptik-BA
DrWeb	Trojan.DownLoader25.49262
FireEye	Generic.mg.3db99af6c9ff3997
Emsisoft	Gen:Heur.MSIL.Krypt.41 (B)
SentinelOne	Static AI – Malicious PE
Jiangmin	Trojan.MSIL.Crypt.o
Avira	TR/Dropper.Gen
MAX	malware (ai score=87)
Antiy-AVL	Trojan/Generic.ASMalwS.24546C6
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
GData	Gen:Heur.MSIL.Krypt.41
Cynet	Malicious (score: 100)
VBA32	TScope.Trojan.MSIL
Malwarebytes	Trojan.Agent
Yandex	Trojan.Agent!m4Pnoy0u2PA
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.FAF!tr
BitDefenderTheta	Gen:NN.ZemsilF.34294.fm1@aSgSLtp
AVG	Win32:Malware-gen
Cybereason	malicious.6c9ff3
Panda	Trj/GdSda.A

How to remove Heur.MSIL.Krypt.41 (B)?

Heur.MSIL.Krypt.41 (B) 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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