Categories: Malware

Troj/NanoCor-OC (file analysis)

The Troj/NanoCor-OC 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 Troj/NanoCor-OC virus can do?

  • Executable code extraction
  • 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
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Attempts to remove evidence of file being downloaded from the Internet
  • A process was set to shut the system down when terminated
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristic of Nanocore RAT
  • Creates a copy of itself
  • Collects information to fingerprint the system

Related domains:

z.whorecord.xyz
a.tomx.xyz
0.tcp.ngrok.io

How to determine Troj/NanoCor-OC?


File Info:

crc32: 06C2470Dmd5: 29d2a9d8dd357f49973e01d0d496ed04name: 5f34e6ab613d7b8d0165b7ecadfc51f964ed11782e1a626d8e9492f56945c5d2sha1: d4041b6a0aa857a07f8002c93c179736f96bd5a5sha256: 5f34e6ab613d7b8d0165b7ecadfc51f964ed11782e1a626d8e9492f56945c5d2sha512: f9f93d02c0cbaca79362db00050f3d9693077365969bb4fb0a91efa8f3e79d913c92612705ac34f3594e41301c21ed84e6d5570334c811c45e4a622ea812fbb3ssdeep: 6144:tLV6Bta6dtJmakIM5x9mzBby6fA+eXcTTacsRy3Cj+q:tLV6BtpmkC9mz9yuA+eXsaDCUBtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

Troj/NanoCor-OC also known as:

Bkav W32.DropperFraudropK.Trojan
MicroWorld-eScan Backdoor.MSIL.Agent.GD
FireEye Generic.mg.29d2a9d8dd357f49
CAT-QuickHeal Trojan.Orbus.C3
McAfee GenericRXAA-CZ!29D2A9D8DD35
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 700000121 )
BitDefender Backdoor.MSIL.Agent.GD
K7GW Trojan ( 700000121 )
Cybereason malicious.8dd357
Invincea heuristic
Cyren W32/NanoCore.C.gen!Eldorado
ESET-NOD32 MSIL/NanoCore.E
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Nanocore-5
Kaspersky Trojan.MSIL.Agent.fpar
Alibaba Malware:Win32/Dorpal.ali1000029
NANO-Antivirus Trojan.Win32.Dwn.edxxmu
ViRobot Backdoor.Win32.NanoCore.Gen.A
Avast MSIL:NanoCore-B [Trj]
Tencent Msil.Trojan.Agent.Hufy
Ad-Aware Backdoor.MSIL.Agent.GD
Sophos Troj/NanoCor-OC
Comodo Backdoor.MSIL.Noancooe.JDE@5s4u9t
DrWeb Trojan.Nanocore.23
VIPRE Trojan.MSIL.NanoCore.B (fs)
TrendMicro BKDR_NOANCOOE.SM
McAfee-GW-Edition BehavesLike.Win32.PUPXBZ.dc
Trapmine malicious.high.ml.score
Emsisoft Trojan.NanoCore (A)
Ikarus Backdoor.Rat.Nanocore
F-Prot W32/NanoCore.C.gen!Eldorado
Jiangmin Backdoor.Generic.zwu
Webroot W32.Trojan.Gen
Avira TR/Dropper.MSIL.Gen7
eGambit Trojan.Generic
Fortinet W32/Generic.AC.A0C!tr
Antiy-AVL Trojan[Backdoor]/Win32.AGeneric
Endgame malicious (high confidence)
Microsoft Backdoor:MSIL/Nanocore.S!MTB
ZoneAlarm Trojan.MSIL.Agent.fpar
AhnLab-V3 Win-Trojan/Nanocore.Exp
Acronis suspicious
ALYac Backdoor.RAT.MSIL.NanoCore
MAX malware (ai score=88)
VBA32 TScope.Trojan.MSIL
Malwarebytes Backdoor.NanoCore
Zoner Trojan.Win32.48280
TrendMicro-HouseCall BKDR_NOANCOOE.SM
Rising Backdoor.NanoCore!1.B6F9 (CLASSIC)
Yandex Trojan.Agent!+mRxzq/8gzs
SentinelOne DFI – Malicious PE
MaxSecure Trojan.Malware.10648716.susgen
GData MSIL.Backdoor.Nancat.A
BitDefenderTheta Gen:NN.ZemsilF.34104.rmW@aqJitc
AVG MSIL:NanoCore-B [Trj]
Panda Generic Malware
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/Trojan.f3a

How to remove Troj/NanoCor-OC?

  • 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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