Trojan.Emotet (A): Emotet malware

Emotet - banking trojan
Emotet - banking trojan
Written by Robert Bailey

What is Trojan.Emotet (A) infection?

In this article you will discover about the interpretation of Trojan.Emotet (A) and also its unfavorable influence on your computer. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom by a sufferer.

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Emotet has gone through a few iterations. Early versions arrived as malicious JavaScript files. Later versions evolved to use macro-enabled documents to retrieve the virus payload from command and control (C&C) servers run by the attackers.

Emotet uses a number of tricks to try and prevent detection and analysis. Notably, Emotet knows if it’s running inside a virtual machine and will lay dormant if it detects a sandbox environment, which is a tool cybersecurity researchers use to observe malware within a safe, controlled space.

Most of the instances, Trojan.Emotet (A) infection will instruct its targets to launch funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Trojan.Emotet (A) Summary

These modifications 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.
  • 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;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Deletes its original binary from disk;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • 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!
  • 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/Current/Version/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 copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s hard drive — so the target can no longer utilize the information;
  • Preventing normal accessibility 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
z.whorecord.xyzBehavesLike.Win32.Ransomware.gh
a.tomx.xyzBehavesLike.Win32.Ransomware.gh

Trojan.Emotet (A)

The most regular channels through which Trojan.Emotet (A) are infused are:

  • By means of phishing emails;
  • As an effect of customer winding up on a source that holds a harmful software program;

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or protect against the gadget from functioning in a correct manner – while likewise putting a ransom note that mentions the demand for the sufferers to impact the settlement for the objective of decrypting the records or recovering the documents system back to the first problem. In the majority of instances, the ransom note will certainly show up when the customer reboots the PC after the system has actually already been harmed.

Trojan.Emotet (A) circulation channels.

In numerous edges of the world, Trojan.Emotet (A) expands by jumps and also bounds. However, the ransom money notes, as well as tricks of extorting the ransom quantity, might vary relying on certain local (local) settings. The ransom money notes, as well as tricks of obtaining the ransom money quantity, might vary depending on specific regional (regional) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

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

    Faulty statements concerning prohibited web content.

    In nations where software piracy is much less popular, this method is not as effective for the cyber frauds. Alternatively, the Trojan.Emotet (A) popup alert might falsely claim to be originating from a law enforcement establishment and also will report having situated child pornography or other illegal data on the gadget.

    Trojan.Emotet (A) popup alert may wrongly declare to be deriving from a law enforcement institution as well as will certainly report having located youngster pornography or various other unlawful data on the gadget. The alert will in a similar way include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 6C5286F1
md5: ead4d3b4cfb83011a7efabddf5479ad8
name: HYGXdJduxvU.exe
sha1: 4950f47cd40e11c97ea21cc01b34cf870e0065d5
sha256: 3d7df4d2be4b6dda4e6bd067fc109b3cae48fc669d1aea41f1e49771bebc155e
sha512: b9904312dc60a5b452a3ca40e1919d4e4924ea7cec13dbd7fd26daf168754a8b97ac2b0eb79a37d2e72d76c23f1649d9ae30fb2835e6a581f65beeda5a7bfd15
ssdeep: 6144:uK1TL+6Rexa9WSU/BV5qVqc03x60Dhm+kEuS6QoJx5XpJqn3BTZe87tbiS5:umZ9WSlk13xRDhoS8x5gBU8JiS5
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2001
InternalName: WBP
FileVersion: 1, 0, 0, 1
ProductName: WBP Application
ProductVersion: 1, 0, 0, 1
FileDescription: WBP MFC Application
OriginalFilename: WBP.EXE
Translation: 0x0409 0x04b0

Trojan.Emotet (A) also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.42248165
FireEyeGeneric.mg.ead4d3b4cfb83011
MalwarebytesTrojan.Emotet
AegisLabTrojan.Win32.Generic.4!c
BitDefenderTrojan.GenericKD.42248165
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.cd40e1
BitDefenderThetaGen:NN.ZexaF.34082.zq1@aKqZFqfi
CyrenW32/Kryptik.AYJ.gen!Eldorado
SymantecTrojan Horse
Paloaltogeneric.ml
GDataTrojan.GenericKD.42248165
KasperskyUDS:DangerousObject.Multi.Generic
AlibabaTrojan:Win32/starter.ali1000037
APEXMalicious
RisingTrojan.GenKryptik!8.AA55 (CLOUD)
Ad-AwareTrojan.GenericKD.42248165
DrWebTrojan.DownLoader32.47698
McAfee-GW-EditionBehavesLike.Win32.Ransomware.gh
Trapminesuspicious.low.ml.score
EmsisoftTrojan.Emotet (A)
SentinelOneDFI – Suspicious PE
F-ProtW32/Kryptik.AYJ.gen!Eldorado
WebrootW32.Trojan.Emotet
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D284A7E5
ZoneAlarmUDS:DangerousObject.Multi.Generic
MicrosoftTrojan:Win32/Emotet!rfn
AhnLab-V3Trojan/Win32.Emotet.C3889684
Acronissuspicious
McAfeeEmotet-FPC!EAD4D3B4CFB8
CylanceUnsafe
ESET-NOD32a variant of Win32/GenKryptik.EBYL
IkarusWin32.Outbreak
FortinetW32/TrickBot.CJ!tr
AVGWin32:Malware-gen
AvastWin32:Malware-gen
CrowdStrikewin/malicious_confidence_90% (W)

How to remove Trojan.Emotet (A) 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 install-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 (A) 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 the 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 offers real-time protection for the first 2 days. If you want to be fully protected at all times – I can recommend you to purchase a full version:

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If the guide doesn’t help you to remove Trojan.Emotet (A) 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.

One Response

  1. Juergen November 30, 2021

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