Backdoor.Emotet

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

What is Backdoor.Emotet infection?

In this post you will certainly find about the definition of Backdoor.Emotet and its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to demand paying the ransom by a sufferer.

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Most of the cases, Backdoor.Emotet infection will certainly advise its sufferers to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the victim’s tool.

Backdoor.Emotet 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.
  • 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;
  • Expresses interest in specific running processes;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s disk drive — so the target can no longer make use of the information;
  • Preventing regular access 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.

Backdoor.Emotet

One of the most typical networks whereby Backdoor.Emotet Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a resource that hosts a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or stop the gadget from functioning in a correct way – while additionally putting a ransom note that points out the requirement for the sufferers to effect the payment for the objective of decrypting the papers or bring back the documents system back to the initial condition. In most circumstances, the ransom money note will show up when the client reboots the PC after the system has already been harmed.

Backdoor.Emotet distribution channels.

In different edges of the globe, Backdoor.Emotet grows by jumps and bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom money amount might differ relying on specific regional (local) setups. The ransom notes as well as techniques of extorting the ransom money quantity might differ depending on specific local (regional) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In nations where software program piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Additionally, the Backdoor.Emotet popup alert might falsely claim to be stemming from a law enforcement establishment as well as will report having situated child porn or various other prohibited information on the tool.

    Backdoor.Emotet popup alert may incorrectly claim to be deriving from a legislation enforcement institution as well as will report having situated kid pornography or other unlawful information on the device. The alert will likewise include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: DEB01192
md5: cf81b209b001c72bfece9c59afdf6912
name: CF81B209B001C72BFECE9C59AFDF6912.mlw
sha1: 041a287ea816fc12c312153e99cac96d57052c97
sha256: 57b06fedc68139676f20a9abe5f10fee5c0dc88f9d46a846f81ec6e8bcabf56a
sha512: 000795fb2325be15aa2c0f215d205a64d91dae5f21d567dc1ca32917d5a977ff8d2e501a557ca3f87924300b5eeab3d4456a55c497c7de8cfe5116d087ff42df
ssdeep: 6144:0CILiotuWe/fWEfvXQ6tGHo0n9SiaFbmN:0CILdtuWeGSvXQ6tG5sia4
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.Emotet also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Siggen11.56901
MicroWorld-eScan Trojan.GenericKD.35913617
FireEye Generic.mg.cf81b209b001c72b
CAT-QuickHeal Backdoor.Emotet
McAfee GenericRXAA-AA!CF81B209B001
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.35913617
K7GW Trojan ( 005756291 )
K7AntiVirus Trojan ( 005756291 )
Cyren W32/Emotet.AZP.gen!Eldorado
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win32/Kryptik.HILQ
TrendMicro-HouseCall TROJ_GEN.R002C0DA221
Avast Win32:CrypterX-gen [Trj]
Kaspersky HEUR:Backdoor.Win32.Emotet.gen
Alibaba Trojan:Win32/EmotetCrypt.41d4ac52
ViRobot Trojan.Win32.Emotet.503296
Ad-Aware Trojan.GenericKD.35913617
Emsisoft Trojan.GenericKD.35913617 (B)
F-Secure Trojan.TR/Crypt.Agent.bcubs
TrendMicro TROJ_GEN.R002C0DA221
McAfee-GW-Edition BehavesLike.Win32.Generic.hh
Sophos Mal/Generic-S
Ikarus Trojan-Banker.Emotet
Jiangmin Backdoor.Emotet.vi
Avira TR/Crypt.Agent.bcubs
MAX malware (ai score=89)
Antiy-AVL Trojan[Backdoor]/Win32.Emotet
Microsoft Trojan:Win32/EmotetCrypt.PEF!MTB
Gridinsoft Ransom.Win32.Wacatac.oa!s1
Arcabit Trojan.Generic.D223FF91
ZoneAlarm HEUR:Backdoor.Win32.Emotet.gen
GData Trojan.GenericKD.35913617
Cynet Malicious (score: 85)
VBA32 Trojan.Emotet
ALYac Trojan.GenericKD.35913617
Malwarebytes Trojan.Emotet
Panda Trj/GdSda.A
APEX Malicious
Tencent Win32.Backdoor.Emotet.Tcbx
Fortinet W32/Emotet.HILQ!tr.bdr
AVG Win32:CrypterX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Generic/Trojan.b17

How to remove Backdoor.Emotet 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 Backdoor.Emotet 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Backdoor.Emotet 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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