Troj/Emotet-CUH

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

What is Troj/Emotet-CUH infection?

In this article you will discover about the meaning of Troj/Emotet-CUH and its unfavorable impact on your computer. Such ransomware are a form of malware that is elaborated by on-line frauds to demand paying the ransom money by a target.

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In the majority of the situations, Troj/Emotet-CUH ransomware will instruct its targets to launch funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has presented to the victim’s device.

Troj/Emotet-CUH 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 records found on the target’s hard disk — 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
z.whorecord.xyz Ransom.Win32.Wacatac.oa!s1
a.tomx.xyz Ransom.Win32.Wacatac.oa!s1

Troj/Emotet-CUH

The most typical channels whereby Troj/Emotet-CUH Ransomware are infused are:

  • By methods of phishing emails;
  • As a repercussion of individual ending up on a source that organizes a destructive software;

As soon as the Trojan is successfully injected, it will either cipher the data on the victim’s computer or protect against the device from functioning in an appropriate manner – while additionally positioning a ransom money note that discusses the requirement for the sufferers to impact the repayment for the function of decrypting the records or bring back the data system back to the preliminary condition. In most circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has already been harmed.

Troj/Emotet-CUH distribution networks.

In numerous corners of the globe, Troj/Emotet-CUH grows by jumps as well as bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom quantity may differ relying on certain regional (regional) settings. The ransom notes and also methods of obtaining the ransom money quantity might vary depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having actually found some unlicensed applications enabled on the target’s device. The alert then demands the customer to pay the ransom money.

    Faulty declarations concerning unlawful content.

    In countries where software piracy is much less preferred, this method is not as reliable for the cyber scams. Additionally, the Troj/Emotet-CUH popup alert may incorrectly assert to be deriving from a law enforcement establishment as well as will certainly report having located child porn or various other prohibited data on the device.

    Troj/Emotet-CUH popup alert may falsely declare to be obtaining from a regulation enforcement institution and will report having situated kid porn or various other prohibited data on the gadget. The alert will likewise have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 679B0C34
md5: 77bf55d4d0f55383130f4b53ef3c3618
name: 77BF55D4D0F55383130F4B53EF3C3618.mlw
sha1: 862139a9ba121b3363dc1cecc7a463f86897c347
sha256: 2a67ecc3b6af649824ee89c2be0f6f2bc08aa431beaa74b11f5c0e74118ba4c0
sha512: bd72f16453db4bb2152a26d81e635056cb020b5e48c268a1c9d4976b46d4d281b6d581dc2e7d184aa2bcf38b5f00465a95a4fea96e97d8c32b42ef537b105d82
ssdeep: 6144:5xsbjJkFV+DlnCLJ2cjr1nN6pd//E5OrI5FWfWvlTuV:jsbjeFVOlnCL/1NO//HKvhu
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Troj/Emotet-CUH also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Emotet.1052
MicroWorld-eScan Gen:Variant.Zusy.357857
FireEye Generic.mg.77bf55d4d0f55383
McAfee RDN/Emotet
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Gen:Variant.Zusy.357857
K7GW Riskware ( 0040eff71 )
Cyren W32/Emotet.AZC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Kaspersky HEUR:Backdoor.Win32.Emotet.gen
Alibaba Trojan:Win32/EmotetCrypt.240177ae
Rising Trojan.Kryptik!8.8 (TFE:5:bfAdLNqFD6D)
Ad-Aware Gen:Variant.Zusy.357857
Sophos Troj/Emotet-CUH
F-Secure Trojan.TR/AD.Emotet.coets
McAfee-GW-Edition BehavesLike.Win32.Emotet.fh
Emsisoft Trojan.Emotet (A)
SentinelOne Static AI – Malicious PE
Avira TR/AD.Emotet.coets
MAX malware (ai score=82)
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Trojan:Win32/EmotetCrypt.ARK!MTB
Gridinsoft Ransom.Win32.Wacatac.oa!s1
Arcabit Trojan.Zusy.D575E1
ZoneAlarm HEUR:Backdoor.Win32.Emotet.gen
GData Gen:Variant.Zusy.357857
Cynet Malicious (score: 85)
ALYac Gen:Variant.Zusy.357857
Malwarebytes Trojan.Emotet
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.HIJH
TrendMicro-HouseCall TROJ_GEN.R002H09LM20
Tencent Win32.Backdoor.Emotet.Ajmd
Ikarus Trojan-Banker.Emotet
Fortinet W32/Kryptik.HIJY!tr
Webroot W32.Trojan.Gen
AVG Win32:MalwareX-gen [Trj]
Avast Win32:MalwareX-gen [Trj]
Qihoo-360 Generic/Trojan.72d

How to remove Troj/Emotet-CUH 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 Troj/Emotet-CUH 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 Troj/Emotet-CUH 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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