VHO:Trojan-Ransom.Win32.Agent

What is VHO:Trojan-Ransom.Win32.Agent infection?

In this post you will locate concerning the interpretation of VHO:Trojan-Ransom.Win32.Agent and also its adverse effect on your computer system. Such ransomware are a type of malware that is clarified by on the internet fraudulences to demand paying the ransom by a victim.

Most of the situations, VHO:Trojan-Ransom.Win32.Agent virus will instruct its victims to initiate funds move for the function of counteracting the changes that the Trojan infection has presented to the victim’s gadget.

VHO:Trojan-Ransom.Win32.Agent Summary

These modifications can be as adheres to:

• 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.;
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
• 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.
• The executable is compressed using UPX;
• Creates an autorun.inf file;
• Uses Windows utilities for basic functionality;
• Attempts to delete volume shadow copies;
• Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
• Modifies boot configuration settings;
• 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.
• Clears Windows events or logs;
• Creates a copy of itself;
• Attempts to disable UAC.

  User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

  UAC includes several technologies ¹:

  • File and egistry Virtualization;
  • Same-desktop Elevation;
  • Filtered Token;
  • User Interface Privilege Isolation;
  • Protected Mode Internet Explorer;
  • Installer Detection;
• Attempts to modify UAC prompt behavior;
• Uses suspicious command line tools or Windows utilities;
• Ciphering the papers located on the victim’s disk drive — so the sufferer can no longer utilize the information;
• Preventing normal access 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.

VHO:Trojan-Ransom.Win32.Agent

One of the most regular networks whereby VHO:Trojan-Ransom.Win32.Agent Trojans are injected are:

• By ways of phishing emails;
• As a consequence of user winding up on a source that holds a destructive software program;

As quickly as the Trojan is effectively injected, it will either cipher the data on the sufferer’s PC or stop the tool from working in a correct fashion – while likewise positioning a ransom money note that points out the demand for the targets to impact the repayment for the purpose of decrypting the records or restoring the data system back to the initial problem. In most instances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has actually already been damaged.

VHO:Trojan-Ransom.Win32.Agent distribution channels.

In various edges of the world, VHO:Trojan-Ransom.Win32.Agent grows by leaps as well as bounds. However, the ransom notes as well as tricks of extorting the ransom money amount may vary depending on specific neighborhood (regional) setups. The ransom money notes and also methods of obtaining the ransom amount might differ depending on specific local (local) setups.

For instance:

Faulty informs about unlicensed software application.

In certain locations, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the victim’s gadget. The alert after that demands the user to pay the ransom.

Faulty statements about prohibited web content.

In countries where software program piracy is much less popular, this approach is not as efficient for the cyber scams. Additionally, the VHO:Trojan-Ransom.Win32.Agent popup alert may incorrectly assert to be stemming from a law enforcement institution as well as will certainly report having situated youngster porn or various other unlawful information on the tool.

VHO:Trojan-Ransom.Win32.Agent popup alert may falsely claim to be deriving from a law enforcement organization and also will report having situated youngster porn or other prohibited data on the tool. The alert will similarly contain a need for the customer to pay the ransom.

Technical details

File Info:
crc32: 71082517md5: 64dfcd3e16b8c14448abd33f375e729fname: 64DFCD3E16B8C14448ABD33F375E729F.mlwsha1: 30b60f11ffb66361cad7b44996e2a4e8673f35fasha256: b83e430f6f40dc470096516a1780dc87e707a7cb3db07533ea672fdaf2a3ebf5sha512: c3fcaaa55f599c7b1d4b2b30b33cae20db2319c0ce157ef4556a2996641278f4868f6220e254f80975f57eb0352f396e86973d0c6a4ce29f7bee1ed8d0195689ssdeep: 6144:k0pJQOVwfYwXpcz8EPe+TyPseYLk8F/+Nj5Up:kAVifYwXpcne+ReYLdo9Uptype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: taskhost.exeFileVersion: 10.0.17763.831 (WinBuild.160101.0800)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 10.0.17763.831FileDescription: Host Process for Windows TasksOriginalFilename: taskhost.exeTranslation: 0x0409 0x04b0

VHO:Trojan-Ransom.Win32.Agent also known as:

How to remove VHO:Trojan-Ransom.Win32.Agent 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 GridinSoft²

Run the setup file.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

Click on “Clean Now”.

Are Your Protected?

If the guide doesn’t help you to remove VHO:Trojan-Ransom.Win32.Agent you can always ask me in the comments for getting help.

1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server