Trojan:Win32/Wacatac.D9!ml

Written by Robert Bailey

What is Trojan:Win32/Wacatac.D9!ml infection?

In this post you will find about the meaning of Trojan:Win32/Wacatac.D9!ml as well as its unfavorable impact on your computer. Such ransomware are a form of malware that is clarified by online frauds to demand paying the ransom by a sufferer.

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In the majority of the situations, Trojan:Win32/Wacatac.D9!ml virus will instruct its sufferers to start funds transfer for the objective of counteracting the changes that the Trojan infection has introduced to the target’s gadget.

Trojan:Win32/Wacatac.D9!ml 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.
  • 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;
  • Expresses interest in specific running processes;
  • 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;
  • 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;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s hard drive — so the target can no longer use the information;
  • Preventing regular access to the sufferer’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
www.ip-adress.com BScope.TrojanRansom.Shade

Trojan:Win32/Wacatac.D9!ml

One of the most normal channels through which Trojan:Win32/Wacatac.D9!ml Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of customer winding up on a source that holds a malicious software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the victim’s PC or stop the device from working in a proper fashion – while additionally positioning a ransom money note that states the requirement for the sufferers to effect the repayment for the objective of decrypting the files or restoring the file system back to the preliminary condition. In many instances, the ransom money note will certainly come up when the client reboots the PC after the system has actually currently been damaged.

Trojan:Win32/Wacatac.D9!ml circulation networks.

In different edges of the world, Trojan:Win32/Wacatac.D9!ml expands by jumps as well as bounds. However, the ransom money notes as well as methods of obtaining the ransom money quantity may vary depending on specific neighborhood (local) settings. The ransom notes and methods of obtaining the ransom money amount may vary depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software.

    In specific areas, the Trojans typically wrongfully report having detected some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the individual to pay the ransom money.

    Faulty statements about prohibited web content.

    In countries where software application piracy is less prominent, this approach is not as efficient for the cyber scams. Conversely, the Trojan:Win32/Wacatac.D9!ml popup alert may falsely claim to be stemming from a law enforcement establishment as well as will certainly report having situated child porn or other illegal data on the tool.

    Trojan:Win32/Wacatac.D9!ml popup alert might falsely claim to be acquiring from a law enforcement establishment as well as will certainly report having situated youngster porn or other illegal information on the gadget. The alert will in a similar way have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 55A90B41
md5: e3a04ca31d6d9b7188457d16f5dd61e5
name: upload_file
sha1: 0410d22abfe63118fa0152778cd4d4650b1d4dd9
sha256: 9f7998126d0c29edbfed9ee245ddcf9c199f7feb6f37bab6cd9587f8c3b99302
sha512: a2d2517eb7f0529f1fe53af9d37d98165dbe966e720fee24192455c4e1410914c877f573d96501baddab029212f4f69c0e16eecf8665363c5f88c55408231c06
ssdeep: 6144:SJ2gzw5f7ZH3bv5vph31WjY63XqhL8PQgyJkvxyIhNqN:SJXzQjZH3Z3KY6XsOfySvxyIC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9Qihu 360 Software Co., Ltd. All rights reserved.
InternalName: SystemRegistryClean
FileVersion: 1, 0, 0, 1003
CompanyName: QIHU 360 SOFTWARE CO. LIMITED
ProductName: 360 SystemRegistryClean
ProductVersion: 1, 0, 0, 1003
FileDescription: 360 SystemRegistryClean
OriginalFilename: SystemRegistryClean.exe
Translation: 0x0409 0x04b0

Trojan:Win32/Wacatac.D9!ml also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.70793
FireEye Generic.mg.e3a04ca31d6d9b71
McAfee W32/PinkSbot-HF!E3A04CA31D6D
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 0057161d1 )
BitDefender Trojan.GenericKDZ.70793
K7GW Trojan ( 0057161d1 )
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DangerousSig [Trj]
Kaspersky Trojan.Win32.Zenpak.axjs
Rising Trojan.Generic@ML.89 (RDMK:qV5C3rGfSVQsTFW/Ns7tIg)
Ad-Aware Trojan.GenericKDZ.70793
Emsisoft Trojan.GenericKDZ.70793 (B)
DrWeb Trojan.QakBot.11
Invincea Mal/EncPk-APV
Sophos Mal/EncPk-APV
MAX malware (ai score=87)
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Wacatac.D9!ml
Arcabit Trojan.Generic.D11489
ZoneAlarm Trojan.Win32.Zenpak.axjs
GData Trojan.GenericKDZ.70793
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Kryptik.R353430
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34570.dz1@aSQ6iaii
VBA32 BScope.TrojanRansom.Shade
Malwarebytes Backdoor.Qbot
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.HGVG
SentinelOne DFI – Malicious PE
eGambit PE.Heur.InvalidSig
Fortinet W32/RTM.AG!tr
AVG Win32:DangerousSig [Trj]
Cybereason malicious.abfe63
Paloalto generic.ml

How to remove Trojan:Win32/Wacatac.D9!ml 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 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 Trojan:Win32/Wacatac.D9!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.D9!ml 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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