Win32:GenMalicious-NVH [Trj]

Written by Robert Bailey

What is Win32:GenMalicious-NVH [Trj] infection?

In this short article you will certainly locate concerning the definition of Win32:GenMalicious-NVH [Trj] and also its adverse effect on your computer. Such ransomware are a form of malware that is clarified by online frauds to demand paying the ransom by a target.

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In the majority of the instances, Win32:GenMalicious-NVH [Trj] infection will advise its targets to initiate funds transfer for the objective of reducing the effects of the changes that the Trojan infection has introduced to the target’s tool.

Win32:GenMalicious-NVH [Trj] Summary

These alterations can be as follows:

  • 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.
  • Enumerates user accounts on the system;
  • 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.
  • A process attempted to delay the analysis task.;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Deletes its original binary from disk;
  • Modifies boot configuration settings;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Mimics the file times of a Windows system file;
  • 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.
  • Checks the version of Bios, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers found on the target’s hard disk — so the target can no longer make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32:GenMalicious-NVH [Trj]

The most typical networks whereby Win32:GenMalicious-NVH [Trj] Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of individual ending up on a resource that organizes a destructive software program;

As soon as the Trojan is effectively injected, it will either cipher the data on the target’s computer or stop the tool from working in a proper manner – while additionally placing a ransom note that discusses the demand for the victims to impact the settlement for the objective of decrypting the files or bring back the file system back to the initial condition. In the majority of instances, the ransom money note will certainly come up when the customer restarts the PC after the system has actually already been harmed.

Win32:GenMalicious-NVH [Trj] circulation networks.

In numerous edges of the globe, Win32:GenMalicious-NVH [Trj] expands by leaps and bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom quantity may differ relying on certain regional (regional) setups. The ransom money notes and also techniques of extorting the ransom amount might differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In specific areas, the Trojans commonly wrongfully report having found some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the customer to pay the ransom money.

    Faulty statements about prohibited web content.

    In countries where software application piracy is much less preferred, this method is not as effective for the cyber scams. Alternatively, the Win32:GenMalicious-NVH [Trj] popup alert might incorrectly claim to be deriving from a police institution and also will report having located youngster porn or various other illegal data on the tool.

    Win32:GenMalicious-NVH [Trj] popup alert might falsely claim to be deriving from a legislation enforcement establishment and will certainly report having located youngster porn or various other illegal data on the tool. The alert will likewise include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: BC881EFC
md5: c2068059731504af343cf565b418ee26
name: C2068059731504AF343CF565B418EE26.mlw
sha1: 553f28f01013c59bfa35486ca70b9ebce0ae1076
sha256: 8f7724d7b2064d5c985e8590d5f0a4c0997919c0c2c4e6efa7d9afaec873f83f
sha512: ec89e11ef93beac4d119a71dd3f51ed1e888aad193589d785b79a14d287d5a5c508f158f513f72ec129139a0df8401bab892f2e0e3333371405de0de946314ce
ssdeep: 6144:pnHySCXjxp0TrF9pTBJyxNKsU+NnPMGyBb0OlYc4L2+Mn6:tN7pTr2pPn0xKOlYc4LRMn
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:GenMalicious-NVH [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4310
ALYac Gen:Variant.Midie.8753
Cylance Unsafe
Zillya Trojan.Fsysna.Win32.10821
Sangfor Ransom.Win32.Zerber.fuln
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Ransom:Win32/Zerber.a0c25ca2
K7GW Trojan ( 0056f32b1 )
K7AntiVirus Trojan ( 004ef1021 )
Cyren W32/Cerber.SRAP-7806
Symantec Trojan.Gen
ESET-NOD32 Win32/Filecoder.Cerber.B
Zoner Trojan.Win32.38710
APEX Malicious
Avast Win32:GenMalicious-NVH [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Zerber.fuln
BitDefender Gen:Variant.Midie.8753
NANO-Antivirus Trojan.Win32.Crypted.ebhkls
MicroWorld-eScan Gen:Variant.Midie.8753
Tencent Malware.Win32.Gencirc.10bfb7ec
Ad-Aware Gen:Variant.Midie.8753
Sophos Mal/Generic-L
Comodo Application.Win32.LoadMoney.BFA@6bdn2a
BitDefenderTheta Gen:NN.ZexaF.34678.quW@a4zDwol
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.CBQ1644
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.c2068059731504af
Emsisoft Gen:Variant.Midie.8753 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Selfdel.bit
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1116820
eGambit Unsafe.AI_Score_81%
Kingsoft Win32.Troj.SelfDel.bw.(kcloud)
Microsoft Ransom:Win32/Cerber
ZoneAlarm Trojan-Ransom.Win32.Zerber.fuln
GData Gen:Variant.Midie.8753
AhnLab-V3 Trojan/Win32.Cerber.R178084
McAfee GenericRXDZ-EC!C20680597315
MAX malware (ai score=85)
VBA32 BScope.Downloader.LMN
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CERBER.CBQ1644
Rising Ransom.Cerber!8.3058 (C64:YzY0OtfVCrQKhhKh)
Yandex Trojan.GenAsa!h9gFeIkJMYk
Ikarus Trojan.Win32.Filecoder
Fortinet W32/GenKryptik.AAOM!tr
AVG Win32:GenMalicious-NVH [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HwUBrWcA

How to remove Win32:GenMalicious-NVH [Trj] 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:GenMalicious-NVH [Trj] 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:GenMalicious-NVH [Trj] 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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