Malware

Troj/NanoCor-OC (file analysis)

Malware Removal

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: 06C2470D
md5: 29d2a9d8dd357f49973e01d0d496ed04
name: 5f34e6ab613d7b8d0165b7ecadfc51f964ed11782e1a626d8e9492f56945c5d2
sha1: d4041b6a0aa857a07f8002c93c179736f96bd5a5
sha256: 5f34e6ab613d7b8d0165b7ecadfc51f964ed11782e1a626d8e9492f56945c5d2
sha512: f9f93d02c0cbaca79362db00050f3d9693077365969bb4fb0a91efa8f3e79d913c92612705ac34f3594e41301c21ed84e6d5570334c811c45e4a622ea812fbb3
ssdeep: 6144:tLV6Bta6dtJmakIM5x9mzBby6fA+eXcTTacsRy3Cj+q:tLV6BtpmkC9mz9yuA+eXsaDCUB
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

Troj/NanoCor-OC also known as:

BkavW32.DropperFraudropK.Trojan
MicroWorld-eScanBackdoor.MSIL.Agent.GD
FireEyeGeneric.mg.29d2a9d8dd357f49
CAT-QuickHealTrojan.Orbus.C3
McAfeeGenericRXAA-CZ!29D2A9D8DD35
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 700000121 )
BitDefenderBackdoor.MSIL.Agent.GD
K7GWTrojan ( 700000121 )
Cybereasonmalicious.8dd357
Invinceaheuristic
CyrenW32/NanoCore.C.gen!Eldorado
ESET-NOD32MSIL/NanoCore.E
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Trojan.Nanocore-5
KasperskyTrojan.MSIL.Agent.fpar
AlibabaMalware:Win32/Dorpal.ali1000029
NANO-AntivirusTrojan.Win32.Dwn.edxxmu
ViRobotBackdoor.Win32.NanoCore.Gen.A
AvastMSIL:NanoCore-B [Trj]
TencentMsil.Trojan.Agent.Hufy
Ad-AwareBackdoor.MSIL.Agent.GD
SophosTroj/NanoCor-OC
ComodoBackdoor.MSIL.Noancooe.JDE@5s4u9t
DrWebTrojan.Nanocore.23
VIPRETrojan.MSIL.NanoCore.B (fs)
TrendMicroBKDR_NOANCOOE.SM
McAfee-GW-EditionBehavesLike.Win32.PUPXBZ.dc
Trapminemalicious.high.ml.score
EmsisoftTrojan.NanoCore (A)
IkarusBackdoor.Rat.Nanocore
F-ProtW32/NanoCore.C.gen!Eldorado
JiangminBackdoor.Generic.zwu
WebrootW32.Trojan.Gen
AviraTR/Dropper.MSIL.Gen7
eGambitTrojan.Generic
FortinetW32/Generic.AC.A0C!tr
Antiy-AVLTrojan[Backdoor]/Win32.AGeneric
Endgamemalicious (high confidence)
MicrosoftBackdoor:MSIL/Nanocore.S!MTB
ZoneAlarmTrojan.MSIL.Agent.fpar
AhnLab-V3Win-Trojan/Nanocore.Exp
Acronissuspicious
ALYacBackdoor.RAT.MSIL.NanoCore
MAXmalware (ai score=88)
VBA32TScope.Trojan.MSIL
MalwarebytesBackdoor.NanoCore
ZonerTrojan.Win32.48280
TrendMicro-HouseCallBKDR_NOANCOOE.SM
RisingBackdoor.NanoCore!1.B6F9 (CLASSIC)
YandexTrojan.Agent!+mRxzq/8gzs
SentinelOneDFI – Malicious PE
MaxSecureTrojan.Malware.10648716.susgen
GDataMSIL.Backdoor.Nancat.A
BitDefenderThetaGen:NN.ZemsilF.34104.rmW@aqJitc
AVGMSIL:NanoCore-B [Trj]
PandaGeneric Malware
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Generic/Trojan.f3a

How to remove Troj/NanoCor-OC?

Troj/NanoCor-OC removal tool
  • 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.

About the author

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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