Backdoor

Backdoor.MSIL.NanoBot removal instruction

Malware Removal

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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.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: 67E4D10B
md5: 291ccb099c54a898b45654aae6f98dba
name: tasksmgr.exe
sha1: 1fe4ae8013c4763231f27bb04fa1badad274e4cf
sha256: e903149259321c3cc7996b4fb51167c23932f8fbb19635717c72d2961f4974da
sha512: 36d13d94f27cb4964621d936de72ef0ff75f2389a3960fdb812f7e230949170be56c394d3e12175e86b59a134d32c7ee7be9007355674bf8b8ca023f6f16b684
ssdeep: 24576:Du6Jx3O0c+JY5UZ+XC0kGso/Wabi32X9KGWY:NI0c++OCvkGsUWaNNGY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Backdoor.MSIL.NanoBot also known as:

DrWebTrojan.MulDrop6.3758
MicroWorld-eScanTrojan.GenericKD.32795086
FireEyeGeneric.mg.291ccb099c54a898
ALYacTrojan.GenericKD.32795086
MalwarebytesTrojan.MalPack.AutoIt
AegisLabTrojan.MSIL.NanoBot.m!c
SangforMalware
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKD.32795086
K7GWRiskware ( 0040eff71 )
F-ProtW32/AutoIt.IK.gen!Eldorado
SymantecTrojan.Gen.2
APEXMalicious
GDataTrojan.GenericKD.32795086
KasperskyBackdoor.MSIL.NanoBot.aysv
AlibabaTrojan:Win32/Predator.e2152bd4
ViRobotBackdoor.Win32.S.Nanocore.1297920
RisingTrojan.Obfus/Autoit!1.C045 (CLASSIC)
Ad-AwareTrojan.GenericKD.32795086
EmsisoftTrojan.GenericKD.32795086 (B)
ComodoMalware@#2zbrilfe2c2sk
F-SecureTrojan.TR/Predator.zioqu
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Downloader.th
SophosMal/Generic-S
IkarusTrojan.Autoit
CyrenW32/AutoIt.IK.gen!Eldorado
WebrootW32.Trojan.Gen
AviraTR/Predator.zioqu
MAXmalware (ai score=87)
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D1F469CE
ZoneAlarmBackdoor.MSIL.NanoBot.aysv
MicrosoftTrojan:Win32/Predator.BC!MTB
AhnLab-V3Win-Trojan/Autoinj05.Exp
Acronissuspicious
McAfeeArtemis!291CCB099C54
VBA32Backdoor.MSIL.NanoBot
CylanceUnsafe
PandaTrj/CI.A
ESET-NOD32MSIL/NanoCore.E
TrendMicro-HouseCallTROJ_FRS.VSNW09L19
YandexTrojan.AvsMlier.bSJ1Jf
MaxSecureTrojan.Malware.300983.susgen
FortinetAutoIt/Injector.ELS!tr
AVGFileRepMalware
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360Trojan.Generic

How to remove Backdoor.MSIL.NanoBot?

Backdoor.MSIL.NanoBot 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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