Categories: Backdoor

Backdoor.MSIL.NanoBot.bcbt removal instruction

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

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Attempts to remove evidence of file being downloaded from the Internet
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristic of Nanocore RAT
  • Collects information to fingerprint the system

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Backdoor.MSIL.NanoBot.bcbt?


File Info:

crc32: 91C92F9Amd5: f693988ff51da71d534386771737b7ddname: invoice01.exesha1: f3c30429fca8a70f712ba53f9f0b1074a614dee6sha256: e913ba8b741e91467c519cd6c1ce3b25f9ee4dc233544b7f706d8759c3943ef5sha512: 8c23e072980ad07da2bdf2790989dc96e9c55eaee4b0994d2cb9179b93767ba738c1542c66f7b5bd9ace11dc65a6056c3b3fef46bae2560cf7349e7fed92853essdeep: 24576:DAHnh+eWsN3skA4RV1Hom2KXSmdandDv04VQAXwucpUGQScekdBHBETH/bgx3Cb:Oh+ZkldoPKi2andKAgnpSLekdBBETTitype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Backdoor.MSIL.NanoBot.bcbt also known as:

Bkav W32.AIDetectVM.malware2
MicroWorld-eScan Trojan.AutoIT.Agent.AAJ
McAfee Artemis!F693988FF51D
Sangfor Malware
BitDefender Trojan.AutoIT.Agent.AAJ
Invincea heuristic
F-Prot W32/AutoIt.LN.gen!Eldorado
APEX Malicious
Avast Script:SNH-gen [Trj]
GData Trojan.AutoIT.Agent.AAJ
Kaspersky Backdoor.MSIL.NanoBot.bcbt
Rising Trojan.Obfus/Autoit!1.C045 (CLASSIC)
Endgame malicious (high confidence)
Emsisoft Trojan.AutoIT.Agent.AAJ (B)
DrWeb Trojan.DownLoader33.21267
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.f693988ff51da71d
Ikarus Trojan.Autoit
Cyren W32/AutoIt.LN.gen!Eldorado
eGambit Unsafe.AI_Score_99%
Antiy-AVL GrayWare/Autoit.BinToStr.a
Microsoft Trojan:Win32/Wacatac.D!ml
Arcabit Trojan.AutoIT.Agent.AAJ
ZoneAlarm Backdoor.MSIL.NanoBot.bcbt
AhnLab-V3 Trojan/AU3.Wacatac.S1079
Acronis suspicious
MAX malware (ai score=83)
ESET-NOD32 a variant of Win32/Injector.Autoit.FEJ
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Injector.EXF!tr
AVG Script:SNH-gen [Trj]
Cybereason malicious.9fca8a
Qihoo-360 HEUR/QVM10.1.1FBB.Malware.Gen

How to remove Backdoor.MSIL.NanoBot.bcbt?

  • 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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