Win32:Downloader-VYF [Trj]

What is Win32:Downloader-VYF [Trj] infection?

In this post you will find about the definition of Win32:Downloader-VYF [Trj] and also its unfavorable effect on your computer. Such ransomware are a type of malware that is specified by on-line frauds to require paying the ransom by a target.

It is better to prevent, than repair and repent!

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In the majority of the instances, Win32:Downloader-VYF [Trj] infection will instruct its targets to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has presented to the sufferer’s gadget.

Win32:Downloader-VYF [Trj] Summary

These adjustments can be as complies with:

• Attempts to connect to a dead IP:Port (1 unique times);
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
• 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.

• 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;
• 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;
• Sniffs keystrokes;
• Installs an hook procedure to monitor for mouse events;
• 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
• Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
• 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;
• Ciphering the documents situated on the victim’s hard drive — so the victim can no longer use the data;
• Preventing regular accessibility to the sufferer’s workstation;

Similar behavior

Related domains

Win32:Downloader-VYF [Trj]

One of the most common channels whereby Win32:Downloader-VYF [Trj] Ransomware Trojans are infused 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 ending up on a resource that holds a destructive software program;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s computer or protect against the gadget from operating in a proper manner – while also positioning a ransom money note that points out the requirement for the sufferers to effect the repayment for the objective of decrypting the records or recovering the documents system back to the preliminary problem. In a lot of instances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually already been harmed.

Win32:Downloader-VYF [Trj] circulation channels.

In different edges of the world, Win32:Downloader-VYF [Trj] grows by jumps and bounds. However, the ransom notes as well as tricks of obtaining the ransom money quantity might differ depending on certain regional (regional) settings. The ransom money notes and also methods of extorting the ransom quantity might vary depending on specific local (local) setups.

As an example:

Faulty alerts about unlicensed software application.

In particular areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the sufferer’s device. The alert after that demands the customer to pay the ransom money.

Faulty statements about illegal web content.

In countries where software application piracy is much less preferred, this method is not as efficient for the cyber fraudulences. Conversely, the Win32:Downloader-VYF [Trj] popup alert may wrongly claim to be deriving from a police establishment as well as will report having situated kid porn or various other prohibited information on the device.

Win32:Downloader-VYF [Trj] popup alert may wrongly claim to be obtaining from a regulation enforcement establishment and also will certainly report having located kid pornography or various other prohibited information on the gadget. The alert will similarly consist of a demand for the individual to pay the ransom money.

Technical details

File Info:
crc32: 2E4E28E5
md5: aaae0b2ec2f6dfdeb337e956c440034f
name: AAAE0B2EC2F6DFDEB337E956C440034F.mlw
sha1: 0ec39bec0c26aef865d27e3c99231c30fb19888e
sha256: 490f38d7996be98fa6fa00ceba3de39e18cd1d65bc42cc4fe2a2c79ddccbd5f7
sha512: 26e73c1ef287b351698eceb40e4e8f9ce7f2c63dd5eac5703459e826e2819f82a406bfef4ceaaab0c16302943c1504f576449f79167bc016721b3f96e19ceba6
ssdeep: 12288:SNIQAPGsAqY9IMVYd38sJdpQHWplY8KfNfGnbvtPz4vNBYw40VIH8NZtoedeT:/PGSY91VwNJc2HqNfGnblUvNBh4iIHg0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Apple Inc.                                                                                          
FileDescription: Apple Inc. 9.1.2 Installation                               
FileVersion: 9.1.2               
Comments: 
CompanyName: Apple Inc.                                                  
Translation: 0x0409 0x04e4

Win32:Downloader-VYF [Trj] also known as:

How to remove Win32:Downloader-VYF [Trj] virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.

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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft³.

Download GridinSoft Anti-Malware.

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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.

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.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32:Downloader-VYF [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.

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.

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If the guide doesn’t help you to remove Win32:Downloader-VYF [Trj] you can always ask me in the comments for getting help.

1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
3. More information about GridinSoft products: https://gridinsoft.com/comparison