Backdoor.MSIL.NanoBot.benh

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Backdoor.MSIL.NanoBot.benh infection?

In this post you will certainly discover about the definition of Backdoor.MSIL.NanoBot.benh and its adverse impact on your computer system. Such ransomware are a form of malware that is elaborated by on-line scams to demand paying the ransom money by a sufferer.

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In the majority of the situations, Backdoor.MSIL.NanoBot.benh infection will advise its targets to start funds transfer for the function of neutralizing the modifications that the Trojan infection has presented to the victim’s tool.

Backdoor.MSIL.NanoBot.benh Summary

These alterations 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.
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Expresses interest in specific running processes;
  • 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.

  • A process created a hidden window;
  • 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.
  • 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. 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
  • Exhibits behavior characteristic of Nanocore RAT;
  • 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.
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the files situated on the victim’s hard drive — so the sufferer can no more make use of the information;
  • Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Ransom.Win32.Wacatac.oa!s1
a.tomx.xyz Ransom.Win32.Wacatac.oa!s1
lookupnanor.mbplc.xyz Ransom.Win32.Wacatac.oa!s1

Backdoor.MSIL.NanoBot.benh

One of the most typical channels through which Backdoor.MSIL.NanoBot.benh Ransomware are injected are:

  • By ways of phishing e-mails;
  • As an effect of customer ending up on a resource that organizes a harmful software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or avoid the device from functioning in an appropriate way – while likewise placing a ransom money note that points out the requirement for the victims to impact the repayment for the function of decrypting the records or restoring the documents system back to the preliminary problem. In a lot of circumstances, the ransom note will come up when the client reboots the COMPUTER after the system has already been harmed.

Backdoor.MSIL.NanoBot.benh circulation channels.

In different edges of the world, Backdoor.MSIL.NanoBot.benh grows by jumps and also bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom amount might vary relying on certain local (regional) setups. The ransom money notes and also techniques of extorting the ransom amount may vary depending on specific neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the victim’s device. The sharp after that requires the user to pay the ransom.

    Faulty statements regarding prohibited web content.

    In nations where software application piracy is less preferred, this technique is not as effective for the cyber frauds. Conversely, the Backdoor.MSIL.NanoBot.benh popup alert may falsely declare to be stemming from a law enforcement organization and also will certainly report having located kid porn or various other illegal information on the device.

    Backdoor.MSIL.NanoBot.benh popup alert might falsely claim to be obtaining from a legislation enforcement institution and will certainly report having situated kid pornography or various other illegal information on the device. The alert will in a similar way have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 2A9DC2A0
md5: eb3579b0ac81afac257ed6fabff0aab6
name: EB3579B0AC81AFAC257ED6FABFF0AAB6.mlw
sha1: 6100dfaf49b938ba09e0cb1267965eaf7ef8bfeb
sha256: d63175ae3ea02c89ea8c9e47bf9044f38ce0c8c2bf565a64d2f82eb37fbcdc6a
sha512: 830c370eaa96e5bab53aa53ec6f08e6f51f034440a34b3cd035c9cc24d1f9abbe0695dede6d9d646821ab33b7ceb0156787ebc7ac591a2a094b16fa3ae5a0764
ssdeep: 24576:5AOcZ6ZOcyasBKxYg923hwrfMY5aRcKXEeuT:zjAKxYL3hMU2aw1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.MSIL.NanoBot.benh also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Multi
ALYac Trojan.GenericKD.36987236
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (W)
K7GW Riskware ( 0040eff71 )
Cybereason malicious.f49b93
Cyren W32/Trojan.ODRX-0142
Symantec Trojan.Gen.2
Zoner Trojan.Win32.92739
APEX Malicious
Avast FileRepMalware
ClamAV Win.Dropper.Nanocore-9171337-0
Kaspersky Backdoor.MSIL.NanoBot.benh
BitDefender Trojan.GenericKD.37001483
ViRobot Trojan.Win32.Z.Agent.1129670
MicroWorld-eScan Trojan.GenericKD.37001483
Ad-Aware Trojan.GenericKD.37001483
Sophos ML/PE-A
Comodo TrojWare.Win32.UMal.qzpvd@0
TrendMicro TROJ_GEN.R002C0WEV21
McAfee-GW-Edition BehavesLike.Win32.Suspicioustrojan.tc
FireEye Generic.mg.eb3579b0ac81afac
Emsisoft Trojan.GenericKD.37001483 (B)
SentinelOne Static AI – Suspicious SFX
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Tiggre!rfn
Gridinsoft Ransom.Win32.Wacatac.oa!s1
AegisLab Trojan.Multi.Generic.4!c
GData Trojan.GenericKD.37001483
AhnLab-V3 Malware/Win32.RL_Generic.R362622
McAfee Artemis!EB3579B0AC81
MAX malware (ai score=99)
Malwarebytes Trojan.Dropper.SFX
Rising Trojan.Tiggre!8.ED98 (CLOUD)
Ikarus Trojan-Spy.FormBook
AVG FileRepMalware

How to remove Backdoor.MSIL.NanoBot.benh 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 Backdoor.MSIL.NanoBot.benh 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:

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If the guide doesn’t help you to remove Backdoor.MSIL.NanoBot.benh 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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