Categories: Backdoor

About “Backdoor.MSIL.NanoBot.aqsh” infection

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

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • CAPE detected the NanoCore malware family
  • Creates a copy of itself
  • Creates known CypherIT/Frenchy Shellcode mutexes
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Backdoor.MSIL.NanoBot.aqsh?


File Info:

name: AFDCD1FBBCC896D421A2.mlwpath: /opt/CAPEv2/storage/binaries/c7bcd6bfb8874c0805b77dd4a6be020465280acfc2ae46b11cb226c72c50b89ecrc32: 71374211md5: afdcd1fbbcc896d421a29157fa8dbb4dsha1: 2e09c684e98e878a61b06fa35fc8a42046a66a2bsha256: c7bcd6bfb8874c0805b77dd4a6be020465280acfc2ae46b11cb226c72c50b89esha512: aa4a9f326f24909476c3e2856e4918437a1ec1bd4e9605723a57a35a48d1370ee55fa33e942d0c846c725d252f9649b4899bd331c661648fd32688c180612fb9ssdeep: 24576:GAHnh+eWsN3skA4RV1Hom2KXFmIawVBAB6p5losW2uFfJpQc5:hh+ZkldoPK1XaWG2C2Khttype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11055BE027792C036FEE6A2739F65F2465A7DBC690133C12F52983D78BD702B1276D262sha3_384: 033cea76438b37d72e20d7deb84849812bbd6bcb5ba692d6812e07f8632752d43bea5bb4174ea164f06bd234feacc8d9ep_bytes: e8c8d00000e97ffeffffcccccccccccctimestamp: 2019-06-07 17:15:15

Version Info:

FileDescription: AppvClientEventLogOriginalFilename: RtDCpl64CompanyName: tsconFileVersion: 777.557.698.676LegalCopyright: PackagedCWALauncherProductName: appmgmtsProductVersion: 125.348.318.512Translation: 0x0409 0x04b0

Backdoor.MSIL.NanoBot.aqsh also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.MSIL.NanoBot.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Trojan.Heur.AutoIT.16
ClamAV Win.Malware.Dskb-6936526-0
ALYac Gen:Trojan.Heur.AutoIT.16
Cylance Unsafe
VIPRE Gen:Trojan.Heur.AutoIT.16
Sangfor Virus.Win32.Save.a
K7AntiVirus Trojan ( 0054ef461 )
Alibaba Trojan:Win32/AutoitCrypt.180
K7GW Trojan ( 0054ef461 )
Cybereason malicious.bbcc89
Cyren W32/AutoIt.QF.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Packed.AutoIt.QS
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Backdoor.MSIL.NanoBot.aqsh
BitDefender Gen:Trojan.Heur.AutoIT.16
NANO-Antivirus Trojan.Win32.NanoBot.frezzx
Avast AutoIt:Injector-JM [Trj]
Tencent Msil.Backdoor.Nanobot.Bzlw
Ad-Aware Gen:Trojan.Heur.AutoIT.16
Emsisoft Gen:Trojan.Heur.AutoIT.16 (B)
DrWeb Trojan.Nanocore.427
TrendMicro Trojan.AutoIt.CRYPTINJECT.SMA
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.th
FireEye Generic.mg.afdcd1fbbcc896d4
Sophos Mal/Generic-S + Troj/NanoCo-OA
GData Gen:Trojan.Heur.AutoIT.16
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1245455
Antiy-AVL GrayWare/Autoit.DecData.a
Arcabit Trojan.Heur.AutoIT.16
Microsoft Trojan:Win32/Wacatac.B!ml
Google Detected
AhnLab-V3 Win-Trojan/AutoInj.Exp
Acronis suspicious
McAfee Artemis!AFDCD1FBBCC8
VBA32 Trojan.Autoit.F
Malwarebytes Generic.Trojan.Injector.DDS
TrendMicro-HouseCall Trojan.AutoIt.CRYPTINJECT.SMA
Rising Trojan.Injector/Autoit!1.BB82 (CLASSIC)
Ikarus Trojan.Win32.Autoit
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Injector.EDB!tr
BitDefenderTheta AI:Packer.53C124C417
AVG AutoIt:Injector-JM [Trj]
Panda Trj/CI.A

How to remove Backdoor.MSIL.NanoBot.aqsh?

  • 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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