Categories: Backdoor

Should I remove “Backdoor.MSIL.LightStone.dnn”?

The Backdoor.MSIL.LightStone.dnn 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 Backdoor.MSIL.LightStone.dnn 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
  • Anomalous binary characteristics

How to determine Backdoor.MSIL.LightStone.dnn?


File Info:

crc32: 26045BCCmd5: 40cced3355775814f3fe0a8284b5b995name: 40CCED3355775814F3FE0A8284B5B995.mlwsha1: 5dbb79b326c015213350e48d74ac26a86adddbd2sha256: 1c22fc802845f881de088ba734ea7d78e0434451a08515875b6d4b2a57f4e90esha512: 25eed5a0bf0c8707e883fb8de35b267fcc26d77ef9654a9e961b543b4154d957fac46fa07f22cd0421a0bc9b88ec34fa63090a761c2cac1990dbf719284207aessdeep: 49152:Cs+A40dOw3xU/47HKwHET+pj6fg0ZcFCXGGM:Cs5hdOs3FpQZnXtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 2011, LofakJ92InternalName: LofakJ92FileVersion: 9478CompanyName: LofakJ92ProductName: ProductVersion: 9478FileDescription: OriginalFilename: LofakJ92Translation: 0x0000 0x04b0

Backdoor.MSIL.LightStone.dnn also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055efd41 )
Lionic Trojan.Multi.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Hosts.48642
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.37209460
Cylance Unsafe
Sangfor Backdoor.MSIL.LightStone.dnn
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Backdoor:MSIL/LightStone.d43491d8
K7GW Trojan ( 0055efd41 )
Cybereason malicious.326c01
Cyren W32/Noon.V.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Enigma.DS
Zoner Probably Heur.ExeHeaderH
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Dropper.Nanocore-9863301-0
Kaspersky Backdoor.MSIL.LightStone.dnn
BitDefender Trojan.GenericKD.37209460
MicroWorld-eScan Trojan.GenericKD.37209460
Tencent Win32.Trojan.Generic.Pcjc
Ad-Aware Trojan.GenericKD.37209460
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Agent.rbslh@0
BitDefenderTheta Gen:NN.ZexaF.34796.KD0@a8Sg6yn
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0DG821
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.40cced3355775814
Emsisoft Trojan.GenericKD.37209460 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1142957
Antiy-AVL Trojan/Generic.ASBOL.C669
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:MSIL/SpyNoon.RTU!MTB
Arcabit Trojan.Generic.D237C574
GData Trojan.GenericKD.37209460
AhnLab-V3 Trojan/Win.SpyNoon.R415181
Acronis suspicious
McAfee GenericRXOY-AT!40CCED335577
MAX malware (ai score=100)
VBA32 Trojan.Zpevdo
Malwarebytes Spyware.PasswordStealer
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R002C0DG821
Rising PUF.Pack-Enigma!1.BA33 (CLASSIC)
Yandex Backdoor.LightStone!oVORiXmR/cw
Ikarus PUA.EnigmaProtector
MaxSecure Trojan.Malware.119508767.susgen
Fortinet Riskware/LightStone
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.LightStone.HgIASYMA

How to remove Backdoor.MSIL.LightStone.dnn?

  • 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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