Categories: Backdoor

Backdoor.MSIL.NanoBot.avkf malicious file

The Backdoor.MSIL.NanoBot.avkf 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.NanoBot.avkf virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Creates known CypherIT/Frenchy Shellcode mutexes
  • Anomalous binary characteristics

How to determine Backdoor.MSIL.NanoBot.avkf?


File Info:

name: BB679BEC1C244E90324D.mlwpath: /opt/CAPEv2/storage/binaries/d959d357dac740b5eed96bc85b4b0016a8bb5e2fdf76d60e370978314d463f6acrc32: B286C2BCmd5: bb679bec1c244e90324df6451c6af63asha1: aae524cfc3c4dc2396ae4379d73fc4177692a4ddsha256: d959d357dac740b5eed96bc85b4b0016a8bb5e2fdf76d60e370978314d463f6asha512: 82522e691c3274e978e60c04ea6b5f13e1c08d8f2915b842846625e0928b389079469d0b0e3680b3444e31dd663696d6a09ca5d07f6f066d8a6903b5a792c97bssdeep: 24576:9AHnh+eWsN3skA4RV1Hom2KXMmHawJoxD7xV4wGLXiFRmo5:ch+ZkldoPK8YawJoBEJLX2type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15245BD0273D1C036FFABA2739B6AF64156BC79254123852F13981DB9BD701B2237E663sha3_384: f865f47c2e352eadca5d0bea8e08d9ce2c0c44c2257cfaaa456b55ee78cd9b2e8fecbee997b93eb165f3118dfdf75935ep_bytes: e8c8d00000e97ffeffffcccccccccccctimestamp: 2019-09-16 00:10:39

Version Info:

FileDescription: BthAvrcpOriginalFilename: fsavailuxCompanyName: RMActivateFileVersion: 495.84.592.577LegalCopyright: BootMenuUXProductName: takeownProductVersion: 445.378.961.689Translation: 0x0409 0x04b0

Backdoor.MSIL.NanoBot.avkf also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.41769123
FireEye Generic.mg.bb679bec1c244e90
CAT-QuickHeal Trojan.AutoIt.Injector.ZZ
ALYac Trojan.GenericKD.41769123
Cylance Unsafe
Sangfor Virus.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Trojan:Win32/AutoItGen.151
K7GW Riskware ( 0040eff71 )
Cybereason malicious.c1c244
VirIT Trojan.Win32.Genus.BRW
Cyren W32/AutoIt.RK.gen!Eldorado
Symantec Packed.Generic.548
ESET-NOD32 MSIL/NanoCore.E
APEX Malicious
Paloalto generic.ml
ClamAV Win.Malware.Autoit-7170502-0
Kaspersky Backdoor.MSIL.NanoBot.avkf
BitDefender Trojan.GenericKD.41769123
NANO-Antivirus Trojan.Win32.Dwn.fzpuxc
Avast AutoIt:Dropper-DL [Trj]
Tencent Win32.Trojan.Autoit.Auto
Ad-Aware Trojan.GenericKD.41769123
Emsisoft Trojan.GenericKD.41769123 (B)
Comodo Malware@#3o7yx3mb65tct
DrWeb Trojan.DownLoader30.21884
VIPRE Trojan.GenericKD.41769123
TrendMicro Trojan.Win32.ARTEMIS.USXVPIG19
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
Sophos Mal/Generic-S + Mal/AuItInj-A
Ikarus Trojan.Inject
GData MSIL.Backdoor.Nancat.34BV4O
Webroot W32.Trojan.Gen
Avira DR/Autoit.SF
MAX malware (ai score=80)
Antiy-AVL Trojan/Generic.ASCommon.168
Arcabit Trojan.Generic.D27D58A3
Microsoft Trojan:Win32/Skeeyah.A!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Autoinj03.Exp
McAfee Artemis!BB679BEC1C24
VBA32 Backdoor.MSIL.NanoBot
Malwarebytes MachineLearning/Anomalous.97%
TrendMicro-HouseCall Trojan.Win32.ARTEMIS.USXVPIG19
Rising Backdoor.Nanocore!8.F894 (KTSE)
MaxSecure Trojan.Malware.74567916.susgen
Fortinet W32/Injector.EIC!tr
AVG AutoIt:Dropper-DL [Trj]
Panda Trj/WLT.E
CrowdStrike win/malicious_confidence_100% (W)

How to remove Backdoor.MSIL.NanoBot.avkf?

  • 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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