Categories: Backdoor

Backdoor.MSIL.NanoBot removal instruction

The Backdoor.MSIL.NanoBot 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 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • 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
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • 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
  • Anomalous binary characteristics

Related domains:

smartcoonect.duckdns.org
34112r.rapiddns.ru

How to determine Backdoor.MSIL.NanoBot?


File Info:

crc32: 67E4D10Bmd5: 291ccb099c54a898b45654aae6f98dbaname: tasksmgr.exesha1: 1fe4ae8013c4763231f27bb04fa1badad274e4cfsha256: e903149259321c3cc7996b4fb51167c23932f8fbb19635717c72d2961f4974dasha512: 36d13d94f27cb4964621d936de72ef0ff75f2389a3960fdb812f7e230949170be56c394d3e12175e86b59a134d32c7ee7be9007355674bf8b8ca023f6f16b684ssdeep: 24576:Du6Jx3O0c+JY5UZ+XC0kGso/Wabi32X9KGWY:NI0c++OCvkGsUWaNNGYtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Backdoor.MSIL.NanoBot also known as:

DrWeb Trojan.MulDrop6.3758
MicroWorld-eScan Trojan.GenericKD.32795086
FireEye Generic.mg.291ccb099c54a898
ALYac Trojan.GenericKD.32795086
Malwarebytes Trojan.MalPack.AutoIt
AegisLab Trojan.MSIL.NanoBot.m!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.32795086
K7GW Riskware ( 0040eff71 )
F-Prot W32/AutoIt.IK.gen!Eldorado
Symantec Trojan.Gen.2
APEX Malicious
GData Trojan.GenericKD.32795086
Kaspersky Backdoor.MSIL.NanoBot.aysv
Alibaba Trojan:Win32/Predator.e2152bd4
ViRobot Backdoor.Win32.S.Nanocore.1297920
Rising Trojan.Obfus/Autoit!1.C045 (CLASSIC)
Ad-Aware Trojan.GenericKD.32795086
Emsisoft Trojan.GenericKD.32795086 (B)
Comodo Malware@#2zbrilfe2c2sk
F-Secure Trojan.TR/Predator.zioqu
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Downloader.th
Sophos Mal/Generic-S
Ikarus Trojan.Autoit
Cyren W32/AutoIt.IK.gen!Eldorado
Webroot W32.Trojan.Gen
Avira TR/Predator.zioqu
MAX malware (ai score=87)
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1F469CE
ZoneAlarm Backdoor.MSIL.NanoBot.aysv
Microsoft Trojan:Win32/Predator.BC!MTB
AhnLab-V3 Win-Trojan/Autoinj05.Exp
Acronis suspicious
McAfee Artemis!291CCB099C54
VBA32 Backdoor.MSIL.NanoBot
Cylance Unsafe
Panda Trj/CI.A
ESET-NOD32 MSIL/NanoCore.E
TrendMicro-HouseCall TROJ_FRS.VSNW09L19
Yandex Trojan.AvsMlier.bSJ1Jf
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Injector.ELS!tr
AVG FileRepMalware
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Trojan.Generic

How to remove Backdoor.MSIL.NanoBot?

  • 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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