AdWare.Win32.DExt

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is AdWare.Win32.DExt infection?

In this short article you will certainly discover regarding the definition of AdWare.Win32.DExt and its negative influence on your computer system. Such ransomware are a form of malware that is elaborated by on the internet scams to demand paying the ransom by a sufferer.

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Most of the instances, AdWare.Win32.DExt infection will certainly instruct its targets to launch funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the victim’s tool.

AdWare.Win32.DExt Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Hebrew;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • 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
  • 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;
  • Creates a copy of itself;
  • 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.
  • Ciphering the records situated on the sufferer’s hard drive — so the target can no more make use of the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyzW32/Phobos.HGAF!tr.ransom
a.tomx.xyzW32/Phobos.HGAF!tr.ransom
www.ip-adress.comW32/Phobos.HGAF!tr.ransom

AdWare.Win32.DExt

One of the most regular networks where AdWare.Win32.DExt Ransomware are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a resource that hosts a harmful software;

As soon as the Trojan is efficiently injected, it will either cipher the information on the victim’s computer or prevent the tool from working in an appropriate manner – while likewise placing a ransom money note that discusses the requirement for the sufferers to impact the repayment for the objective of decrypting the files or bring back the data system back to the initial condition. In many instances, the ransom note will show up when the customer reboots the PC after the system has actually currently been harmed.

AdWare.Win32.DExt distribution networks.

In various corners of the globe, AdWare.Win32.DExt grows by jumps as well as bounds. Nevertheless, the ransom money notes and also tricks of obtaining the ransom money amount may differ depending upon specific neighborhood (regional) settings. The ransom money notes and techniques of extorting the ransom quantity might differ depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software.

    In certain locations, the Trojans frequently wrongfully report having detected some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software piracy is much less prominent, this method is not as efficient for the cyber scams. Additionally, the AdWare.Win32.DExt popup alert might incorrectly claim to be stemming from a police establishment and also will certainly report having situated child pornography or other prohibited information on the gadget.

    AdWare.Win32.DExt popup alert may falsely declare to be obtaining from a law enforcement organization as well as will report having situated kid porn or various other unlawful information on the tool. The alert will likewise consist of a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: CCAAA9FC
md5: 059aa9fc24273da35a018cddf5734b6f
name: 530340.png
sha1: 61c8b141ac092c127912a029cc0f23d02a6028c1
sha256: d7105bffa9836a8f2db1a605f5875ebad54540e8b3f6f69942da7fb96947d6a6
sha512: 75be7660db883e3e98ea43179b8b3e052d4e710c1f94866a7d84ed5d1638fda0bd7bfd0b40f1d52f2bc6e2c550b1129cf3182bb1ce846bad8ae1e68c30b18037
ssdeep: 6144:dv4Jb6PYNgiQsyaxAUyetu9ITzmXG33wXd5FLY9C3DzkgJkwc:dgWPYe4ueQ9ITz8GnwXbFsWDzl0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

AdWare.Win32.DExt also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Razy.737213
ALYacGen:Variant.Razy.737213
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
BitDefenderGen:Variant.Razy.737213
Cybereasonmalicious.1ac092
CyrenW32/Trojan.XFYN-8226
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:BankerX-gen [Trj]
ClamAVWin.Malware.Razy-9775963-0
Kasperskynot-a-virus:HEUR:AdWare.Win32.DExt.gen
Ad-AwareGen:Variant.Razy.737213
EmsisoftGen:Variant.Razy.737213 (B)
F-SecureTrojan.TR/AD.Qbot.EU
DrWebTrojan.QakBot.11
InvinceaGeneric ML PUA (PUA)
McAfee-GW-EditionBehavesLike.Win32.Packed.dz
FireEyeGeneric.mg.059aa9fc24273da3
JiangminTrojan.Generic.gfnde
AviraTR/AD.Qbot.EU
Antiy-AVLTrojan/Win32.Qbot
MicrosoftTrojan:Win32/Qakbot.AR!MTB
ArcabitTrojan.Razy.DB3FBD
ZoneAlarmnot-a-virus:HEUR:AdWare.Win32.DExt.gen
GDataGen:Variant.Razy.737213
CynetMalicious (score: 85)
AhnLab-V3Trojan/Win32.QBot.C4205221
McAfeeW32/PinkSbot-HE!059AA9FC2427
MAXmalware (ai score=85)
VBA32BScope.TrojanBanker.Qbot
ESET-NOD32Win32/Qbot.CN
RisingTrojan.Generic@ML.100 (RDML:xSRRq9fW0dhqsqmY6pwZ3Q)
SentinelOneDFI – Malicious PE
FortinetW32/Phobos.HGAF!tr.ransom
AVGWin32:BankerX-gen [Trj]
Qihoo-360HEUR/QVM20.1.89DB.Malware.Gen

How to remove AdWare.Win32.DExt 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 AdWare.Win32.DExt 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 AdWare.Win32.DExt 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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