Win32/Delf.NBX

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

What is Win32/Delf.NBX infection?

In this article you will certainly discover about the interpretation of Win32/Delf.NBX as well as its adverse influence on your computer. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a sufferer.

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Most of the situations, Win32/Delf.NBX infection will advise its victims to initiate funds move for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the target’s tool.

Win32/Delf.NBX Summary

These alterations can be as complies with:

  • Attempts to connect to a dead IP:Port (3 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.
  • 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Turkish;
  • Network activity contains more than one unique useragent.;
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing normal accessibility to the sufferer’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
xred.mooo.com Trojan-Ransom.Win32.Makop.d
freedns.afraid.org Trojan-Ransom.Win32.Makop.d
ocsp.pki.goog Trojan-Ransom.Win32.Makop.d

Win32/Delf.NBX

One of the most common networks whereby Win32/Delf.NBX Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of user winding up on a resource that holds a malicious software program;

As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s computer or protect against the tool from functioning in a correct way – while also putting a ransom note that mentions the demand for the sufferers to impact the repayment for the function of decrypting the files or bring back the data system back to the initial problem. In many instances, the ransom note will turn up when the customer restarts the PC after the system has already been harmed.

Win32/Delf.NBX circulation channels.

In numerous edges of the globe, Win32/Delf.NBX grows by jumps and bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom quantity may vary depending upon certain neighborhood (local) settings. The ransom money notes and also methods of extorting the ransom amount might differ depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In specific areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s device. The sharp after that requires the individual to pay the ransom.

    Faulty statements concerning unlawful material.

    In countries where software piracy is less popular, this approach is not as effective for the cyber frauds. Alternatively, the Win32/Delf.NBX popup alert may incorrectly declare to be deriving from a police organization and will certainly report having situated youngster porn or other prohibited data on the gadget.

    Win32/Delf.NBX popup alert may falsely declare to be obtaining from a regulation enforcement establishment and also will report having situated youngster pornography or various other prohibited data on the tool. The alert will similarly have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: C227DBB5
md5: b43d226e42ba1660b77ead3953c24a2a
name: B43D226E42BA1660B77EAD3953C24A2A.mlw
sha1: 01c5f7ba37bf662591a5b7c716ab8094fe8cd4a5
sha256: d82916dd21518cc0ec9d1c8b882c4c240ddaa0ebee9dcc65eded59cf104baa48
sha512: 27eba3561098864bb135d8be7da4791661cdb376e6b75df3da21237d3b51382cf3c2767a182688f559c04d0057d79364c44ea740a7193d5964e5cb815c0564a7
ssdeep: 49152:hnsHyjtk2MYC5GDo+8qOPCzeAICO6SA2xJqwox:hnsmtk2a6BO6SA2L+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
InternalName:
FileVersion: 1.0.0.4
CompanyName: Synaptics
LegalTrademarks:
Comments:
ProductName: Synaptics Pointing Device Driver
ProductVersion: 1.0.0.0
FileDescription: Synaptics Pointing Device Driver
OriginalFilename:
Translation: 0x041f 0x04e6

Win32/Delf.NBX also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.FamVT.GaionLTK.Trojan
K7AntiVirus Trojan ( 000112511 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader22.9658
Cynet Malicious (score: 100)
CAT-QuickHeal Sus.Nocivo.E0011
ALYac Dropped:Application.Agent.JUC
Cylance Unsafe
Zillya Trojan.Delf.Win32.76144
Sangfor Win.Malware.Delf-6899401-0
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan ( 000112511 )
Cybereason malicious.e42ba1
Cyren W32/Backdoor.OAZM-5661
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Delf.NBX
Zoner Trojan.Win32.88102
APEX Malicious
Avast Other:Malware-gen [Trj]
ClamAV Win.Malware.Delf-6899401-0
Kaspersky Trojan-Ransom.Win32.Makop.d
BitDefender Dropped:Application.Agent.JUC
NANO-Antivirus Trojan.Win32.DarkKomet.fazbwq
ViRobot Win32.Zorex.A
MicroWorld-eScan Dropped:Application.Agent.JUC
Ad-Aware Dropped:Application.Agent.JUC
Sophos Generic ML PUA (PUA)
Comodo Virus.Win32.Agent.DE@74b38h
BitDefenderTheta AI:Packer.F5AF03D517
VIPRE BehavesLike.Win32.Malware.eah (mx-v)
TrendMicro Virus.Win32.NAPWHICH.B
McAfee-GW-Edition BehavesLike.Win32.Generic.th
FireEye Generic.mg.b43d226e42ba1660
Emsisoft Dropped:Application.Agent.JUC (B)
SentinelOne Static AI – Malicious PE
Jiangmin Win32/Synaptics.Gen
Webroot W32.Malware.gen
Avira DR/Delphi.Gen
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASCommon.FA
Kingsoft Win32.Hack.Darkkomet.hq.(kcloud)
Microsoft Worm:Win32/AutoRun!atmn
Gridinsoft Malware.Win32.Gen.sm!s1
Arcabit HEUR.VBA.Trojan.d
ZoneAlarm HEUR:Trojan.Script.Generic
GData Win32.Backdoor.Agent.AXS
AhnLab-V3 Win32/Zorex.X1799
Acronis suspicious
McAfee FileTour
MAX malware (ai score=79)
VBA32 TScope.Trojan.Delf
Malwarebytes Lamer.Virus.FileInfector.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Virus.Win32.NAPWHICH.B
Rising Virus.Synaptics!1.CC9C (CLASSIC)
Yandex Trojan.GenAsa!ETONJRQzPLk
Ikarus JS.Trojan-Downloader.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/CoinMiner.NBX!tr
AVG Other:Malware-gen [Trj]
Paloalto generic.ml

How to remove Win32/Delf.NBX ransomware?

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 Win32/Delf.NBX 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 Win32/Delf.NBX 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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