Trojan:Win32/Nanocore.BA!MTB

Written by Robert Bailey

What is Trojan:Win32/Nanocore.BA!MTB infection?

In this article you will locate concerning the interpretation of Trojan:Win32/Nanocore.BA!MTB as well as its negative effect on your computer system. Such ransomware are a kind of malware that is specified by online frauds to require paying the ransom by a target.

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In the majority of the cases, Trojan:Win32/Nanocore.BA!MTB virus will certainly instruct its targets to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has introduced to the victim’s gadget.

Trojan:Win32/Nanocore.BA!MTB Summary

These modifications can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Executed a process and injected code into it, probably while unpacking;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the papers found on the victim’s hard disk — so the target can no more utilize the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Nanocore.BA!MTB

The most normal channels whereby Trojan:Win32/Nanocore.BA!MTB Ransomware are infused are:

  • By ways of phishing e-mails;
  • As an effect of customer winding up on a resource that hosts a destructive software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the target’s computer or protect against the tool from working in an appropriate fashion – while also putting a ransom money note that discusses the requirement for the victims to impact the payment for the purpose of decrypting the records or bring back the documents system back to the first problem. In the majority of circumstances, the ransom money note will certainly come up when the client reboots the PC after the system has currently been harmed.

Trojan:Win32/Nanocore.BA!MTB circulation networks.

In different corners of the world, Trojan:Win32/Nanocore.BA!MTB expands by leaps as well as bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom amount might differ depending on certain local (regional) settings. The ransom money notes as well as methods of obtaining the ransom money quantity may differ depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In specific areas, the Trojans typically wrongfully report having identified some unlicensed applications made it possible for on the victim’s gadget. The sharp after that requires the user to pay the ransom money.

    Faulty declarations regarding unlawful content.

    In countries where software program piracy is less prominent, this approach is not as effective for the cyber frauds. Conversely, the Trojan:Win32/Nanocore.BA!MTB popup alert might falsely declare to be originating from a police organization as well as will report having located child pornography or other illegal data on the tool.

    Trojan:Win32/Nanocore.BA!MTB popup alert might wrongly declare to be acquiring from a regulation enforcement institution and will report having situated youngster porn or various other unlawful data on the gadget. The alert will similarly contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: EA238046
md5: a79192808f19e3f4b4ed7d48983684f3
name: A79192808F19E3F4B4ED7D48983684F3.mlw
sha1: 668acc37f1aadcbea568acf4055d00ced32ecf3d
sha256: 8f4ec0f164657fae38d4555a0f710ddc67b9e421ac0d7c82491c30a51895031d
sha512: fe11cd21907aecdde93ea4c5361d2d25c307ef71bb00e8d32c94dabbb780a6e58e068facdf0c3e2fc7efc460f85d3f2144734fc1e882ffdd0d5cfff85696a175
ssdeep: 24576:BAOcZpJO36E6Pe7+UlKPEqU65ulTqo9/s0Y5a+nzQ:bRf627+daz9002/nk
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Nanocore.BA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005734f51 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojandropper.Generic
ALYac Trojan.GenericKD.36862173
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (W)
Alibaba Trojan:Win32/runner.ali1000123
K7GW Trojan ( 005734f51 )
Cybereason malicious.08f19e
Cyren W32/Trojan.ODRX-0142
Symantec Trojan.Gen.MBT
ESET-NOD32 RAR/Agent.DE
Zoner Probably Heur.RARAutorun
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Malware.Nanocore-9406023-1
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Trojan.Ciusky.CryptedAit.1
ViRobot Trojan.Win32.Z.Nanocore.1037491
MicroWorld-eScan Trojan.Ciusky.CryptedAit.1
Tencent Win32.Trojan-dropper.Generic.Lnnt
Sophos ML/PE-A + Mal/MalitRar-I
TrendMicro TROJ_GEN.R002C0PE821
McAfee-GW-Edition BehavesLike.Win32.Suspicioustrojan.fc
FireEye Generic.mg.a79192808f19e3f4
Avira TR/Agent.ugcvl
eGambit Unsafe.AI_Score_83%
Microsoft Trojan:Win32/Nanocore.BA!MTB
Gridinsoft Ransom.Win32.Wacatac.oa!s1
AegisLab Trojan.Win32.Generic.b!c
ZoneAlarm HEUR:Trojan-Dropper.Win32.Generic
GData Trojan.GenericKD.36862173
AhnLab-V3 Trojan/Win.Generic.R416039
McAfee Artemis!A79192808F19
MAX malware (ai score=81)
VBA32 Trojan.AgentTesla
Malwarebytes Trojan.Dropper.SFX.Generic
TrendMicro-HouseCall TROJ_GEN.R002C0PE821
Rising Trojan.AgentTesla!8.104D5 (CLOUD)
Ikarus Trojan-Spy.FormBook
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Trojan:Win32/Nanocore.BA!MTB virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Nanocore.BA!MTB files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Nanocore.BA!MTB you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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