Win32/Adware.VeryFast.D

Written by Robert Bailey

What is Win32/Adware.VeryFast.D infection?

In this post you will certainly locate regarding the interpretation of Win32/Adware.VeryFast.D and its adverse influence on your computer. Such ransomware are a kind of malware that is specified by on the internet frauds to require paying the ransom money by a victim.

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Most of the instances, Win32/Adware.VeryFast.D ransomware will advise its sufferers to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has presented to the target’s gadget.

Win32/Adware.VeryFast.D Summary

These modifications can be as adheres to:

  • 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Presents an Authenticode digital signature;
  • 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.;
  • 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.
  • Uses Windows utilities for basic functionality;
  • 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
  • Collects information about installed applications;
  • 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;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard disk — so the sufferer can no more utilize the data;
  • 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.
Similar behavior
Related domains
pcapp.store HEUR:Trojan-Ransom.Win32.Zerber.gen
veryfast.io HEUR:Trojan-Ransom.Win32.Zerber.gen

Win32/Adware.VeryFast.D

The most common channels where Win32/Adware.VeryFast.D Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a source that organizes a malicious software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or stop the tool from functioning in a proper fashion – while also placing a ransom money note that discusses the requirement for the victims to impact the payment for the purpose of decrypting the files or bring back the documents system back to the first problem. In a lot of circumstances, the ransom note will show up when the customer reboots the PC after the system has already been harmed.

Win32/Adware.VeryFast.D distribution networks.

In numerous edges of the globe, Win32/Adware.VeryFast.D grows by jumps and bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom amount might differ depending upon specific local (regional) setups. The ransom notes and methods of obtaining the ransom money amount may differ depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software.

    In particular locations, the Trojans typically wrongfully report having actually identified some unlicensed applications enabled on the victim’s tool. The sharp then demands the user to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software application piracy is less prominent, this technique is not as reliable for the cyber scams. Conversely, the Win32/Adware.VeryFast.D popup alert might incorrectly assert to be originating from a law enforcement establishment as well as will certainly report having located child porn or various other unlawful data on the tool.

    Win32/Adware.VeryFast.D popup alert might wrongly claim to be obtaining from a regulation enforcement establishment and will report having located kid porn or other prohibited data on the gadget. The alert will in a similar way contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 2222CD71
md5: 1e21fd7bb3782a75a123c6ca33e4d134
name: 1E21FD7BB3782A75A123C6CA33E4D134.mlw
sha1: e2c38f23ceb4421f7dddb0ac62a417ce9187a90b
sha256: 6d4eaf816593af25e83c7e4ac4fd8680c7e61496ae407086bda0ff0a823313da
sha512: 9b0714a16e2397f22c681f8a817f34cf86ec76b296a54c5edf85470e58fad03517c71455de0a0e9f615c8bd8245dcfca66f8254b5504ba132ed4034750c33669
ssdeep: 24576:IXWb75aZQ+dA4ktd/P4wD1ab/X1ghL8AmbTTHDQF75iZQ:1b9aS+8tKw0FeL8A6Hj09iS
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Win32/Adware.VeryFast.D also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Adware ( 0057c8ed1 )
DrWeb Program.Unwanted.4293
Cynet Malicious (score: 99)
Sangfor PUP.Win32.Hypnamer.C!ml
Alibaba AdWare:Win32/VeryFast.c9790975
K7GW Adware ( 0057c8ed1 )
ESET-NOD32 a variant of Win32/Adware.VeryFast.D
Avast Win32:Adware-gen [Adw]
Kaspersky HEUR:Trojan-Ransom.Win32.Zerber.gen
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis
Avira ADWARE/Agent.btuxh
Microsoft Trojan:Script/Phonzy.B!ml
AegisLab Trojan.Win32.Zerber.j!c
ZoneAlarm HEUR:Trojan-Ransom.Win32.Zerber.gen
McAfee Artemis!1E21FD7BB378
VBA32 TrojanRansom.Zerber
Malwarebytes PUP.Optional.VeryFast
Fortinet Riskware/VeryFast
AVG Win32:Adware-gen [Adw]

How to remove Win32/Adware.VeryFast.D 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 Win32/Adware.VeryFast.D 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 Win32/Adware.VeryFast.D 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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