Malware

MSIL:NanoCore-B [Trj] malicious file

Malware Removal

The MSIL:NanoCore-B [Trj] 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 MSIL:NanoCore-B [Trj] 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
  • 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

How to determine MSIL:NanoCore-B [Trj]?


File Info:

crc32: 8B4954F5
md5: 05b2c3eb89f1b4e303a796f282a57fa8
name: svcchost.exe
sha1: f5c9112e0375e08021d18ee0ebd6ad7c7bf91eee
sha256: 28b590786393abcc826ec5fbbdb95a4aff40c9527f6b8de2acb956d60c0e4634
sha512: a04d33fe4a1f60dc86b85efb5b8362ee9eea39c3c3f94761201af93195cb561adcb15685a62b4ceeee2c8e42c719fd076226d9cea727ff717839430d9c8e1ae5
ssdeep: 6144:sLV6Bta6dtJmakIM5m8GL+1WUQ52F+/8Ej4ek7:sLV6Btpmk2GLUcQsEEj4B
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

MSIL:NanoCore-B [Trj] also known as:

BkavW32.DropperFraudropK.Trojan
DrWebTrojan.Nanocore.23
MicroWorld-eScanBackdoor.MSIL.Agent.GD
FireEyeGeneric.mg.05b2c3eb89f1b4e3
CAT-QuickHealTrojan.Orbus.C3
ALYacBackdoor.MSIL.Agent.GD
CylanceUnsafe
VIPRETrojan.MSIL.NanoCore.B (fs)
SangforMalware
K7AntiVirusTrojan ( 700000121 )
BitDefenderBackdoor.MSIL.Agent.GD
K7GWTrojan ( 700000121 )
Cybereasonmalicious.b89f1b
TrendMicroBKDR_NOANCOOE.SM
BitDefenderThetaGen:NN.ZemsilF.34084.mmW@aWHpUbp
F-ProtW32/NanoCore.C.gen!Eldorado
APEXMalicious
AvastMSIL:NanoCore-B [Trj]
ClamAVWin.Trojan.Nanocore-5
GDataMSIL.Backdoor.Nancat.A
KasperskyTrojan.MSIL.Agent.fpar
NANO-AntivirusTrojan.Win32.Dwn.edxxmu
ViRobotBackdoor.Win32.NanoCore.Gen.A
Ad-AwareBackdoor.MSIL.Agent.GD
EmsisoftBackdoor.MSIL.Agent.GD (B)
ComodoBackdoor.MSIL.Noancooe.JDE@5s4u9t
F-SecureTrojan.TR/Dropper.MSIL.Gen7
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.PUPXBZ.dc
Trapminemalicious.high.ml.score
SophosTroj/NanoCor-BT
IkarusBackdoor.Rat.Nanocore
CyrenW32/NanoCore.C.gen!Eldorado
JiangminBackdoor.Generic.zwu
MaxSecureTrojan.Malware.300983.susgen
AviraTR/Dropper.MSIL.Gen7
MAXmalware (ai score=87)
Endgamemalicious (high confidence)
ArcabitBackdoor.MSIL.Agent.GD
SUPERAntiSpywareBackdoor.Nanocore/Variant
ZoneAlarmTrojan.MSIL.Agent.fpar
MicrosoftBackdoor:MSIL/Noancooe.A
AhnLab-V3Win-Trojan/Nanocore.Exp
Acronissuspicious
McAfeeTrojan-FICC!05B2C3EB89F1
TACHYONBackdoor/W32.DN-Nanocore.207872
VBA32TScope.Trojan.MSIL
MalwarebytesBackdoor.NanoCore
PandaBck/Agent.KNM
ZonerTrojan.Win32.48280
ESET-NOD32MSIL/NanoCore.E
TrendMicro-HouseCallBKDR_NOANCOOE.SM
RisingBackdoor.NanoCore!1.B6F9 (CLOUD)
SentinelOneDFI – Malicious PE
eGambitTrojan.Generic
FortinetW32/Generic.AC.A0C!tr
WebrootW32.Trojan.Gen
AVGMSIL:NanoCore-B [Trj]
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360HEUR/QVM03.0.CB1D.Malware.Gen

How to remove MSIL:NanoCore-B [Trj]?

MSIL:NanoCore-B [Trj] 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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