VBS/Agent.NDH

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

What is VBS/Agent.NDH infection?

In this short article you will certainly find concerning the meaning of VBS/Agent.NDH and also its adverse impact on your computer. Such ransomware are a form of malware that is specified by on the internet fraudulences to require paying the ransom money by a sufferer.

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In the majority of the cases, VBS/Agent.NDH infection will instruct its targets to initiate funds transfer for the objective of counteracting the modifications that the Trojan infection has actually presented to the victim’s gadget.

VBS/Agent.NDH Summary

These modifications can be as adheres to:

  • Detected script timer window indicative of sleep style evasion;
  • 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.
  • Unconventionial language used in binary resources: Russian;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • Likely virus infection of existing system binary;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard disk drive — so the target can no more make use of the information;
  • Preventing routine 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.

VBS/Agent.NDH

One of the most regular channels through which VBS/Agent.NDH Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of individual ending up on a resource that organizes a harmful software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or protect against the device from functioning in a proper manner – while likewise positioning a ransom money note that points out the need for the victims to effect the repayment for the purpose of decrypting the records or recovering the data system back to the initial condition. In the majority of instances, the ransom note will come up when the client reboots the COMPUTER after the system has actually already been harmed.

VBS/Agent.NDH circulation channels.

In numerous edges of the world, VBS/Agent.NDH grows by jumps and bounds. However, the ransom money notes and also tricks of obtaining the ransom quantity might vary depending upon specific regional (local) settings. The ransom money notes and techniques of obtaining the ransom quantity might differ depending on particular neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software application.

    In particular locations, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the target’s tool. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations about illegal content.

    In countries where software piracy is much less preferred, this method is not as efficient for the cyber frauds. Conversely, the VBS/Agent.NDH popup alert might incorrectly assert to be originating from a police establishment and will report having located youngster porn or various other illegal data on the device.

    VBS/Agent.NDH popup alert might incorrectly claim to be deriving from a regulation enforcement establishment and will report having situated child porn or various other illegal data on the gadget. The alert will in a similar way contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 829236CE
md5: 5d7a61b131411468f7617dd6e2a398d2
name: 5D7A61B131411468F7617DD6E2A398D2.mlw
sha1: 92296b4a7a4ee0839b425137e70243154e47ce7c
sha256: 8141ea10e3919b85a5f2eff0618be5a7070bc0035cf274f7e25a336e24003420
sha512: 4fe14a88b9ffcfd1d1ffad82d45de8202d8adcd3fead7c406d064b52b191edf8fa708e570b68d1f447839aee3c789c02e9f91a89d74fde182831babb38a4a6d7
ssdeep: 6144:mZABbWqsE/Ao+mv8Qv0LVmwq4FU0fNoy6eeBtI:4ANwRo+mv8QD4+0V165rI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Microsoft Corporation
FileDescription: Microsoft Clip Organizer 14.0.4730.1007
FileVersion: 14.0.4730.1007
Comments:
CompanyName: Microsoft Corporation
Translation: 0x0409 0x04e4

VBS/Agent.NDH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0044a23f1 )
DrWeb Trojan.DownLoader25.2129
ALYac Trojan.Generic.22500657
Cylance Unsafe
Sangfor Worm.VBS.Jenxcus.CB
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Worm:VBS/Blocker.3c3ad1ca
K7GW Trojan ( 0044a23f1 )
Cybereason malicious.131411
Symantec ML.Attribute.HighConfidence
ESET-NOD32 VBS/Agent.NDH
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan-Ransom.Win32.Blocker.kdfi
BitDefender Trojan.Generic.22500657
NANO-Antivirus Trojan.Win32.Agent.eqjdyq
MicroWorld-eScan Trojan.Generic.22500657
Ad-Aware Trojan.Generic.22500657
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Emotet.dh
FireEye Trojan.Generic.22500657
Emsisoft Trojan.Generic.22500657 (B)
Jiangmin Trojan.Blocker.imj
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.Generic.D1575531
AegisLab Trojan.Win32.Blocker.4!c
GData Trojan.Generic.22500657
McAfee Generic.cms
MAX malware (ai score=98)
VBA32 TrojanRansom.Blocker
Panda Trj/CI.A
Tencent Win32.Trojan.Blocker.Syik
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
Fortinet VBS/Agent.NDH!worm
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Worm.Houdini.HwUBEpsA

How to remove VBS/Agent.NDH 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 VBS/Agent.NDH 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

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If the guide doesn’t help you to remove VBS/Agent.NDH 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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