Trojan:Win32/Wacatac.D2!ml

Written by Robert Bailey

What is Trojan:Win32/Wacatac.D2!ml infection?

In this article you will discover about the meaning of Trojan:Win32/Wacatac.D2!ml as well as its adverse influence on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom by a sufferer.

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In the majority of the instances, Trojan:Win32/Wacatac.D2!ml ransomware will advise its targets to launch funds move for the objective of counteracting the modifications that the Trojan infection has actually presented to the victim’s gadget.

Trojan:Win32/Wacatac.D2!ml Summary

These adjustments can be as complies with:

  • 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);
  • 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;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Finnish;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the sufferer’s hard disk drive — so the target can no more use the data;
  • Preventing routine accessibility 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
z.whorecord.xyz Ransom.Stop.MP4
a.tomx.xyz Ransom.Stop.MP4
api.myip.com Ransom.Stop.MP4
ocsp.digicert.com Ransom.Stop.MP4
crl4.digicert.com Ransom.Stop.MP4
crl3.digicert.com Ransom.Stop.MP4

Trojan:Win32/Wacatac.D2!ml

The most normal channels through which Trojan:Win32/Wacatac.D2!ml Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of user winding up on a resource that organizes a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the sufferer’s PC or protect against the device from operating in an appropriate manner – while also positioning a ransom money note that states the demand for the sufferers to effect the settlement for the function of decrypting the papers or bring back the file system back to the first problem. In most instances, the ransom note will turn up when the customer reboots the PC after the system has actually currently been damaged.

Trojan:Win32/Wacatac.D2!ml circulation networks.

In numerous edges of the globe, Trojan:Win32/Wacatac.D2!ml grows by leaps and also bounds. Nevertheless, the ransom money notes and also methods of obtaining the ransom quantity may differ depending upon certain neighborhood (local) settings. The ransom money notes and also tricks of extorting the ransom money quantity may differ depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually spotted some unlicensed applications enabled on the target’s gadget. The alert then requires the user to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In countries where software application piracy is less popular, this technique is not as reliable for the cyber fraudulences. Conversely, the Trojan:Win32/Wacatac.D2!ml popup alert may incorrectly assert to be deriving from a police establishment and also will certainly report having located kid porn or various other prohibited information on the device.

    Trojan:Win32/Wacatac.D2!ml popup alert may incorrectly claim to be deriving from a regulation enforcement institution and will certainly report having located youngster porn or other illegal information on the tool. The alert will similarly contain a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 3CC7C5A5
md5: 5920db781c87c7af49e3f3afb42f05a0
name: lkx999.exe
sha1: b7b24b6e3b787cca7052045324f356930f2b01b7
sha256: 2f502a4c4ea64a2e7f2e7b3b6bbfe8eefee142b495a088dbeb3447db8318da83
sha512: 7084f7aea81d8cf2b35bb5899ed68c87ed7871cef7fbeaba55e7104dbe6370ce95ec07f0efa9a6fa6f1aa3246e877d84fe291e56ffed732f3a97dac90eb604d0
ssdeep: 12288:2wnrUHp/Of7exmgvKEiBrPZT6Yo+DPTy+PK6aDpPG9:2mUHp/OfmmgyJtA+D7JPUPG9
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: amizepuk.im
FileVersion: 1.0.0.1
Copyright: Copyright (C) 2020, kazosh
ProductVersion: 1.7.45
Translations: 0x0441 0x0315

Trojan:Win32/Wacatac.D2!ml also known as:

GridinSoft Trojan.Ransom.Gen
Bkav HW32.Packed.
FireEye Generic.mg.5920db781c87c7af
CAT-QuickHeal Ransom.Stop.MP4
Qihoo-360 HEUR/QVM10.1.2373.Malware.Gen
Cylance Unsafe
Sangfor Malware
Cybereason malicious.e3b787
BitDefenderTheta Gen:NN.ZexaF.34130.2y0@am7@BKdG
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HEKG
APEX Malicious
Invincea heuristic
SentinelOne DFI – Suspicious PE
Endgame malicious (high confidence)
Microsoft Trojan:Win32/Wacatac.D2!ml
Cynet Malicious (score: 100)
Acronis suspicious
Malwarebytes Trojan.MalPack.GS
Rising Trojan.Generic@ML.100 (RDML:ymAFiJxrZdTPhxIOWtpF2w)
Ikarus Trojan.Win32.Krypt
CrowdStrike win/malicious_confidence_100% (D)

How to remove Trojan:Win32/Wacatac.D2!ml 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 GridinSoft2

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.3.

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 Trojan:Win32/Wacatac.D2!ml 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 Trojan:Win32/Wacatac.D2!ml you can always ask me in the comments for getting help.

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References

  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/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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