Trojan.Emotet.AHZ

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

What is Trojan.Emotet.AHZ infection?

In this article you will find regarding the interpretation of Trojan.Emotet.AHZ and also its adverse influence on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom by a victim.

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In the majority of the situations, Trojan.Emotet.AHZ infection will certainly instruct its targets to launch funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s device.

Trojan.Emotet.AHZ Summary

These modifications can be as follows:

  • 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);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Mimics the system’s user agent string for its own requests;
  • 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;
  • 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;
  • 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 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;
  • 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 records found on the sufferer’s hard disk — so the victim can no more utilize the information;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
www.ip-adress.com BScope.TrojanRansom.Shade

Trojan.Emotet.AHZ

One of the most typical channels through which Trojan.Emotet.AHZ Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a resource that hosts a destructive software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the target’s PC or stop the tool from working in a proper manner – while also putting a ransom money note that discusses the requirement for the victims to effect the settlement for the function of decrypting the records or recovering the documents system back to the first problem. In a lot of circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has already been harmed.

Trojan.Emotet.AHZ distribution channels.

In numerous edges of the globe, Trojan.Emotet.AHZ grows by jumps and also bounds. Nonetheless, the ransom notes and methods of extorting the ransom money amount might vary depending on certain regional (local) settings. The ransom money notes and also techniques of extorting the ransom quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software application.

    In certain locations, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the target’s device. The alert after that requires the customer to pay the ransom money.

    Faulty statements regarding illegal content.

    In nations where software program piracy is much less preferred, this technique is not as reliable for the cyber fraudulences. Additionally, the Trojan.Emotet.AHZ popup alert may wrongly declare to be deriving from a law enforcement establishment and also will certainly report having situated child pornography or other illegal data on the device.

    Trojan.Emotet.AHZ popup alert might incorrectly declare to be acquiring from a legislation enforcement organization and will report having located kid pornography or various other illegal information on the gadget. The alert will likewise have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: F0A3EB52
md5: 8ce0329b00b65579c0f9c2cb185d046f
name: 5555555.png
sha1: 256bb262f28238d69b6f9ca61fed608dbfd9f115
sha256: d71ec80f0a8e2e16724ec42b39f24d900e259577ab554113ea554a1b9e39263d
sha512: f6f967121e0762c41ac396d7e170b7bb3c15e99e0268afe18b1fff2faf89bb681b8e31975473ba224bd06168e6b0d00d6d5cf5e52da9a43b4992f66326e419b6
ssdeep: 12288:uh+ciXIDC9rgopYwT2xz5/yKNgkrC7bOVHaA:32XopYwTy6Mr8bOVHaA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 1995-2017
InternalName: gimp-console-2.8
FileVersion: 2.8.20.0
CompanyName: Spencer Kimball, Peter Mattis and the GIMP Development Team
ProductName: GNU Image Manipulation Program
ProductVersion: 2.8.20
FileDescription: GNU Image Manipulation Program
OriginalFilename: gimp-console-2.8.exe
Translation: 0x0409 0x04b0

Trojan.Emotet.AHZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav HW32.Packed.
FireEye Generic.mg.8ce0329b00b65579
McAfee W32/PinkSbot-GW!8CE0329B00B6
Cylance Unsafe
Sangfor Malware
BitDefender Trojan.Emotet.AHZ
CrowdStrike win/malicious_confidence_100% (D)
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.34130.IG1@ayxKuRoi
Symantec ML.Attribute.HighConfidence
APEX Malicious
GData Trojan.Emotet.AHZ
Endgame malicious (high confidence)
Trapmine malicious.high.ml.score
Emsisoft Trojan.Agent (A)
Webroot
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Wacatac.C!ml
Cynet Malicious (score: 100)
Acronis suspicious
VBA32 BScope.TrojanRansom.Shade
Malwarebytes Trojan.MalPack.SGI
ESET-NOD32 a variant of Win32/GenKryptik.ENDH
Rising Malware.Heuristic!ET#83% (RDMK:cmRtazqYT6XcLcXoLA9Jsz0eT5Li)
SentinelOne DFI – Malicious PE
eGambit PE.Heur.InvalidSig
Fortinet W32/Kryptik.HEKH!tr
Cybereason malicious.2f2823
Qihoo-360 HEUR/QVM19.1.269C.Malware.Gen

How to remove Trojan.Emotet.AHZ 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 Trojan.Emotet.AHZ 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.Emotet.AHZ 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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