VirTool:MSIL/Injector.VH!bit

Written by Robert Bailey

What is VirTool:MSIL/Injector.VH!bit infection?

In this short article you will certainly locate concerning the interpretation of VirTool:MSIL/Injector.VH!bit as well as its adverse effect on your computer system. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the instances, VirTool:MSIL/Injector.VH!bit ransomware will certainly instruct its targets to initiate funds move for the function of neutralizing the modifications that the Trojan infection has presented to the victim’s tool.

VirTool:MSIL/Injector.VH!bit 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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;
  • 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.
  • 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;
  • 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.
  • Creates a copy of itself;
  • Ciphering the records located on the victim’s hard disk drive — so the victim can no more utilize 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.
Similar behavior
Related domains
asorock001.ddns.net Trojan.Ransom.GenericKD.30358402
manzorro.duckdns.org Trojan.Ransom.GenericKD.30358402

VirTool:MSIL/Injector.VH!bit

The most common channels through which VirTool:MSIL/Injector.VH!bit Ransomware 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 repercussion of user winding up on a source that hosts a harmful software application;

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or protect against the tool from working in an appropriate fashion – while also putting a ransom money note that states the requirement for the targets to impact the repayment for the objective of decrypting the papers or recovering the file system back to the initial problem. In the majority of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has currently been harmed.

VirTool:MSIL/Injector.VH!bit circulation channels.

In different corners of the globe, VirTool:MSIL/Injector.VH!bit expands by leaps and also bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom money quantity might differ depending on specific neighborhood (local) settings. The ransom money notes and techniques of extorting the ransom quantity might differ depending on certain local (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually found some unlicensed applications allowed on the sufferer’s device. The sharp after that requires the customer to pay the ransom.

    Faulty statements concerning prohibited material.

    In countries where software piracy is much less popular, this technique is not as effective for the cyber scams. Conversely, the VirTool:MSIL/Injector.VH!bit popup alert might wrongly declare to be deriving from a law enforcement establishment as well as will certainly report having located child pornography or other unlawful data on the device.

    VirTool:MSIL/Injector.VH!bit popup alert may wrongly assert to be acquiring from a law enforcement establishment and also will certainly report having situated child pornography or other illegal information on the device. The alert will likewise contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 2916D767
md5: 340e257aa9c96720a300eb595dd21127
name: 340E257AA9C96720A300EB595DD21127.mlw
sha1: 93d8282a0a881ddc06f1df2b15d0819db726795b
sha256: 4981ea19c51850fc762c07e42e92acfb9ce680473057336bed30647205a7509d
sha512: 07581a7c444df65eb87a07b50a6d2bc37fbb4e44e704f8a5adf07d1301d401cff4f3f2ecbc186a77fd143592b6f9159818a7f2b39b543b6345c0800c754bd90f
ssdeep: 6144:y3z0/7DDM76zbxTQuT3zlrhbVZKjU8meqz:Uz0/7DzcU3zlrtKjJmN
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: NITRO PDF Pty Ltd. All rights reserved.
InternalName: NitroPDF.exe
FileVersion: 7, 2, 0, 12
CompanyName: Nitro PDF
ProductName: Nitro Pro 7
ProductVersion: 7, 2, 0, 12
FileDescription: Nitro Pro 7
OriginalFilename: NitroPDF.exe
Translation: 0x0409 0x04e4

VirTool:MSIL/Injector.VH!bit also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0052a44b1 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop7.64460
MicroWorld-eScan Trojan.Ransom.GenericKD.30358402
ALYac Trojan.Ransom.GenericKD.30358402
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0052a44b1 )
Cybereason malicious.aa9c96
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.LRA
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Blocker.dvjn
BitDefender Trojan.Ransom.GenericKD.30358402
NANO-Antivirus Trojan.Win32.Blocker.eyflpj
Tencent Win32.Trojan.Blocker.Lgju
Ad-Aware Trojan.Ransom.GenericKD.30358402
Sophos Mal/Generic-R + Mal/MSIL-TC
Comodo Malware@#31foklionhqys
BitDefenderTheta Gen:NN.ZemsilF.34692.Rq3@aq0daLei
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.jz
FireEye Generic.mg.340e257aa9c96720
Emsisoft Trojan.Ransom.GenericKD.30358402 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_99%
Microsoft VirTool:MSIL/Injector.VH!bit
Arcabit Trojan.Ransom.Generic.D1CF3B82
AegisLab Trojan.Win32.Blocker.j!c
GData Trojan.Ransom.GenericKD.30358402
AhnLab-V3 Trojan/Win32.Blocker.C2443716
McAfee Artemis!340E257AA9C9
MAX malware (ai score=94)
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan-Dropper.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Kryptik.NEC!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove VirTool:MSIL/Injector.VH!bit 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 VirTool:MSIL/Injector.VH!bit 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 VirTool:MSIL/Injector.VH!bit 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: http://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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