JS/TrojanDownloader.Nemucod.BK

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

What is JS/TrojanDownloader.Nemucod.BK infection?

In this post you will discover concerning the meaning of JS/TrojanDownloader.Nemucod.BK as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom by a sufferer.

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In the majority of the situations, JS/TrojanDownloader.Nemucod.BK ransomware will advise its victims to start funds transfer for the function of reducing the effects of the changes that the Trojan infection has actually presented to the target’s device.

JS/TrojanDownloader.Nemucod.BK Summary

These alterations can be as complies with:

  • Attempts to connect to a dead IP:Port (3 unique times);
  • Performs some HTTP requests;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • A wscript.exe process commonly used in script or document file downloaders initiated network activity;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the documents situated on the victim’s hard drive — so the sufferer can no more make use of the data;
  • 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.sitv.us Trojan-Ransom.Script.Nemucod
dreliaz.org Trojan-Ransom.Script.Nemucod
reyeslegal.net Trojan-Ransom.Script.Nemucod

JS/TrojanDownloader.Nemucod.BK

The most normal networks through which JS/TrojanDownloader.Nemucod.BK Ransomware are infused are:

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

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or prevent the device from functioning in an appropriate fashion – while likewise putting a ransom money note that discusses the need for the sufferers to effect the payment for the purpose of decrypting the records or restoring the documents system back to the initial condition. In most circumstances, the ransom note will show up when the customer restarts the COMPUTER after the system has actually currently been harmed.

JS/TrojanDownloader.Nemucod.BK distribution channels.

In different corners of the world, JS/TrojanDownloader.Nemucod.BK grows by jumps and bounds. However, the ransom money notes and also methods of obtaining the ransom money amount may differ relying on particular regional (regional) setups. The ransom notes as well as tricks of obtaining the ransom money amount might vary depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having actually identified some unlicensed applications made it possible for on the target’s gadget. The alert then requires the user to pay the ransom money.

    Faulty declarations regarding unlawful content.

    In countries where software application piracy is much less prominent, this approach is not as efficient for the cyber frauds. Conversely, the JS/TrojanDownloader.Nemucod.BK popup alert might wrongly declare to be stemming from a law enforcement institution as well as will report having located kid pornography or various other illegal data on the tool.

    JS/TrojanDownloader.Nemucod.BK popup alert may incorrectly assert to be acquiring from a law enforcement organization and will report having located child pornography or other unlawful information on the tool. The alert will similarly consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 57FB8DCB
md5: bcb5626256e401d79643db6c91cbb5eb
name: Delivery_Notification_00000328177.zip
sha1: 76771d4f431f5107b6a632cd76804404c3d7f06f
sha256: ae359295ae7380994d5993a10c6420eaf375b5cca489fdfc85f5f487c0dcd8ec
sha512: b4c7cdc37d78f9f3d2918077313ee0ce4ac1e2f6a50d070243d783151d52aaca791dc7be3258d6183e8b7ea39ad80911079006ac76d8423af369757af2893727
ssdeep: 48:9DlC2WOnxlp08zIZ2GDrQL1ibbls9NXpFmWLM9+pNlIozpYoD33NP8QqLVPdsH6:F6e2Z2GDrQL6+XxLM9+pDIo93NPvqLDD
type: Zip archive data, at least v2.0 to extract

Version Info:

0: [No Data]

JS/TrojanDownloader.Nemucod.BK also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan JS:Trojan.Downloader.Nemucod.G
FireEye JS:Trojan.Downloader.Nemucod.G
CAT-QuickHeal JS.Downloader.AJ
McAfee JS/Nemucod.n
VIPRE Trojan-Downloader.JS.Nemucod.b (v)
BitDefender JS:Trojan.Downloader.Nemucod.G
K7GW Trojan ( 004dfe6d1 )
K7AntiVirus Trojan ( 004dfe6d1 )
Baidu JS.Trojan-Downloader.Nemucod.c
F-Prot JS/Downldr.DY!Eldorado
Symantec Trojan.Gen.NPE
ESET-NOD32 JS/TrojanDownloader.Nemucod.BK
Avast JS:Downloader-CRO [Trj]
ClamAV Archive.Filetype.DualExtJS-6168221-2
GData Archive.Malware.FakeExt.T
Kaspersky Trojan-Downloader.JS.Agent.hif
Alibaba TrojanDownloader:JS/Obfuscator.5a8cffbf
NANO-Antivirus Trojan.Script.Nemucod.easndf
Emsisoft JS:Trojan.Downloader.Nemucod.G (B)
Comodo TrojWare.JS.TrojanDownloader.Nemucod.JB@6ae5qm
F-Secure Malware.HTML/ExpKit.Gen2
DrWeb JS.DownLoader.1225
Zillya Downloader.Nemucod.JS.6
McAfee-GW-Edition JS/Nemucod.n
Sophos Mal/DrodZp-A
Ikarus Trojan-Ransom.Script.Nemucod
Cyren JS/Downldr.DY!Eldorado
Avira HEUR/Suspar.Gen
MAX malware (ai score=81)
Antiy-AVL Trojan[Downloader]/JS.Nemucod.kk
Microsoft TrojanDownloader:JS/Nemucod.P
Arcabit JS:Trojan.Downloader.Nemucod.G
ZoneAlarm Trojan-Downloader.JS.Agent.hif
Yandex Trojan.JDownloader.Gen.ACP
Fortinet JS/Nemucod.BF!tr
AVG JS:Downloader-CRO [Trj]
Qihoo-360 trojan.js.downloader.1

How to remove JS/TrojanDownloader.Nemucod.BK 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 JS/TrojanDownloader.Nemucod.BK 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 JS/TrojanDownloader.Nemucod.BK 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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