Categories: Backdoor

Backdoor:MSIL/Nanocore.S!MTB removal guide

The Backdoor:MSIL/Nanocore.S!MTB 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor:MSIL/Nanocore.S!MTB virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 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
  • Creates a copy of itself
  • Collects information to fingerprint the system

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Backdoor:MSIL/Nanocore.S!MTB?


File Info:

crc32: 1FC630D6md5: e6fb34f2dc8880f119153fa24a7be89fname: delbb.exesha1: d92bf61765dc35d4d4434e6aed62c1eedc2f172fsha256: 566776ea295f8ff2dca9ca169ff0799eb0514732970f474b422168cc93076030sha512: 38e50a75c5deb109cc958a02e0795a3505147f2a1b17a8270533d773cb4738b87ad0517ac5688e3e7be7551575ac125c4a4bbcb5a5b2cba083d58fafe6f7e50assdeep: 3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIOb6TIrJVyPRjUj1b0p/EBBZZC:wLV6Bta6dtJmakIM55rCRIIABWHv7Ntype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

Backdoor:MSIL/Nanocore.S!MTB also known as:

Bkav W32.DropperFraudropK.Trojan
DrWeb Trojan.Nanocore.23
MicroWorld-eScan Backdoor.MSIL.Agent.GD
CAT-QuickHeal Trojan.Orbus.C3
Qihoo-360 Generic/Trojan.f3a
McAfee Trojan-FICC!E6FB34F2DC88
Cylance Unsafe
VIPRE Trojan.MSIL.NanoCore.B (fs)
AegisLab Trojan.Win32.Generic.mhUN
Sangfor Malware
K7AntiVirus Trojan ( 700000121 )
BitDefender Backdoor.MSIL.Agent.GD
K7GW Trojan ( 700000121 )
Cybereason malicious.2dc888
TrendMicro BKDR_NOANCOOE.SM
BitDefenderTheta Gen:NN.ZemsilF.34104.mmW@aiHsrqh
F-Prot W32/NanoCore.C.gen!Eldorado
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Nanocore-5
GData MSIL.Backdoor.Nancat.A
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.Anfv
Ad-Aware Backdoor.MSIL.Agent.GD
Emsisoft Trojan.NanoCore (A)
Comodo Backdoor.MSIL.Noancooe.JDE@5s4u9t
F-Secure Trojan.TR/Dropper.MSIL.Gen7
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.PUPXBZ.dc
Trapmine malicious.high.ml.score
FireEye Generic.mg.e6fb34f2dc8880f1
Sophos Troj/NanoCor-BT
Ikarus Backdoor.Rat.Nanocore
Cyren W32/NanoCore.C.gen!Eldorado
Jiangmin Backdoor.Generic.zwu
Avira TR/Dropper.MSIL.Gen7
MAX malware (ai score=100)
Antiy-AVL Trojan[Backdoor]/Win32.AGeneric
Endgame malicious (high confidence)
Arcabit Backdoor.MSIL.Agent.GD
SUPERAntiSpyware Trojan.Agent/Gen-Backdoor
ZoneAlarm Trojan.MSIL.Agent.fpar
Microsoft Backdoor:MSIL/Nanocore.S!MTB
AhnLab-V3 Win-Trojan/Nanocore.Exp
Acronis suspicious
VBA32 TScope.Trojan.MSIL
ALYac Backdoor.MSIL.Agent.GD
TACHYON Trojan/W32.DN-Agent.207360.AF
Malwarebytes Backdoor.NanoCore
Zoner Trojan.Win32.48280
ESET-NOD32 MSIL/NanoCore.E
TrendMicro-HouseCall BKDR_NOANCOOE.SM
Rising Backdoor.NanoCore!1.B6F9 (CLOUD)
SentinelOne DFI – Malicious PE
eGambit Trojan.Generic
Fortinet W32/Generic.AC.A0C!tr
AVG MSIL:NanoCore-B [Trj]
Panda Bck/Agent.KNM
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Backdoor:MSIL/Nanocore.S!MTB?

  • 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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