Win32:Dropper-NEN [Drp]

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32:Dropper-NEN [Drp] detection usually means that your system is in big danger. This malware can correctly be named as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.
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Win32:Dropper-NEN [Drp] detection is a virus detection you can spectate in your computer. It usually appears after the preliminary procedures on your computer – opening the dubious e-mail messages, clicking the banner in the Web or installing the program from untrustworthy resources. From the moment it appears, you have a short time to take action before it begins its harmful action. And be sure – it is better not to wait for these harmful actions.

What is Win32:Dropper-NEN [Drp] virus?

Win32:Dropper-NEN [Drp] is ransomware-type malware. It searches for the files on your disk drives, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a lot of damage to your system. It changes the networking setups in order to stop you from checking out the elimination tutorials or downloading the anti-malware program. In some cases, Win32:Dropper-NEN [Drp] can additionally prevent the launching of anti-malware programs.

Win32:Dropper-NEN [Drp] Summary

Summarizingly, Win32:Dropper-NEN [Drp] ransomware activities in the infected system are next:

  • Sample contains Overlay data;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Korean;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • Deletes executed files from disk;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the victim’s disk — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a nightmare for the last 4 years. It is challenging to imagine a more damaging virus for both individual users and organizations. The algorithms utilized in Win32:Dropper-NEN [Drp] (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy already exists, and possibly will exist. But that virus does not do all these horrible things immediately – it can require up to a few hours to cipher all of your files. Thus, seeing the Win32:Dropper-NEN [Drp] detection is a clear signal that you have to start the elimination procedure.

Where did I get the Win32:Dropper-NEN [Drp]?

General ways of Win32:Dropper-NEN [Drp] distribution are standard for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a quite modern strategy in malware distribution – you receive the email that mimics some routine notifications about shippings or bank service conditions modifications. Within the email, there is an infected MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks quite uncomplicated, but still requires tons of awareness. Malware can hide in different spots, and it is much better to prevent it even before it gets into your PC than to rely on an anti-malware program. Essential cybersecurity awareness is just an essential thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may save you a great deal of time and money which you would spend while searching for a solution.

Win32:Dropper-NEN [Drp] malware technical details

File Info:

name: 8AD7B7AE8665DEA26BCE.mlw
path: /opt/CAPEv2/storage/binaries/3115ec48737b67a56ab86f9333fd6131190404fe822368d4cc07a5c9c37d7e68
crc32: 5FB9C504
md5: 8ad7b7ae8665dea26bced394131943a5
sha1: 3122dccb4cb21a102fb5158f6c03c9e89a19385a
sha256: 3115ec48737b67a56ab86f9333fd6131190404fe822368d4cc07a5c9c37d7e68
sha512: d5c301ef7b6b11d1acf72f96d288d277567dd0845c5ad2b660f59ef2c82c1ad6267d61cad64a988621f1def1757e32d1f1d0317ad6d1c51ec8b19d93523a141c
ssdeep: 6144:CuJkl8DV12C28tLN2/FkCOfHVm0fMaHftvCGCBhDOHjTPmXHk62p6:CzGL2C2aZ2/F1WHHUaveOHjTu
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E184CE223500C075E32917314955FAF42AA9AD3914D8E98FF7783E3A6E312939B7724F
sha3_384: 3e7d6822be770c49d66bd73f28ea1488bd36623d9e85ca1ffd7587cb6adb832e204fe81f9c6d1d98e9099eeaf6f548ed
ep_bytes: e8b6720000e979feffff8bff558bec81
timestamp: 2013-09-21 03:11:42

Version Info:

0: [No Data]

Win32:Dropper-NEN [Drp] also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Generic.lWwj
tehtris Generic.Malware
MicroWorld-eScan Gen:Heur.Mint.SP.Urelas.1
FireEye Generic.mg.8ad7b7ae8665dea2
CAT-QuickHeal Trojan.Mauvaise.SL1
Cylance Unsafe
Zillya Trojan.GenericCryptor.Win32.10134
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004916cc1 )
Alibaba Malware:Win32/Dorpal.ali1000029
K7GW Trojan ( 004916cc1 )
Cybereason malicious.e8665d
BitDefenderTheta AI:Packer.B0D0917F21
Cyren W32/Urelas.E.gen!Eldorado
Symantec SMG.Heur!gen
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Urelas.S
Baidu Win32.Trojan.Urelas.a
TrendMicro-HouseCall Ransom_GenericCryptor.R002C0DHJ22
ClamAV Win.Packed.Urelas-9879149-0
Kaspersky Trojan-Ransom.Win32.GenericCryptor.czp
BitDefender Gen:Heur.Mint.SP.Urelas.1
NANO-Antivirus Trojan.Win32.GenericCryptor.ekcbew
Cynet Malicious (score: 100)
Avast Win32:Dropper-NEN [Drp]
Tencent Trojan.Win32.Urelas.16000132
Ad-Aware Gen:Heur.Mint.SP.Urelas.1
Comodo TrojWare.Win32.Gupboot.AGQ@5t8mho
DrWeb Trojan.AVKill.33096
VIPRE Gen:Heur.Mint.SP.Urelas.1
TrendMicro Ransom_GenericCryptor.R002C0DHJ22
SentinelOne Static AI – Malicious PE
Emsisoft Gen:Heur.Mint.SP.Urelas.1 (B)
APEX Malicious
GData Win32.Trojan.PSE.HPTVM6
Jiangmin Backdoor/Plite.s
Avira BDS/Backdoor.Gen7
Antiy-AVL Trojan/Generic.ASCommon.177
ZoneAlarm Trojan-Ransom.Win32.GenericCryptor.czp
Microsoft Trojan:Win32/Urelas.AA
Google Detected
AhnLab-V3 Backdoor/Win32.Plite.R96606
McAfee Corrupt-FY!8AD7B7AE8665
MAX malware (ai score=87)
VBA32 BScope.Trojan.AVKill
Malwarebytes Urelas.Spyware.Stealer.DDS
Rising Trojan.Gupboot!1.9CEA (CLASSIC)
Yandex Trojan.Agent!TbDIUTuONX0
Ikarus Win32.Outbreak
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Urelas.O!tr
AVG Win32:Dropper-NEN [Drp]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32:Dropper-NEN [Drp]?

Win32:Dropper-NEN [Drp] malware is extremely hard to eliminate manually. It stores its files in several places throughout the disk, and can restore itself from one of the elements. Furthermore, numerous alterations in the windows registry, networking configurations and also Group Policies are quite hard to identify and change to the initial. It is far better to use a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination reasons.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its detection databases updated nearly every hour. Furthermore, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for taking out malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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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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