Win32/Filecoder.NPJ

Seeing the Win32/Filecoder.NPJ detection name means that your PC is in big danger. This malware can correctly be named as ransomware – virus which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.

Win32/Filecoder.NPJ detection is a virus detection you can spectate in your system. It generally shows up after the preliminary procedures on your PC – opening the untrustworthy e-mail messages, clicking the banner in the Internet or mounting the program from suspicious sources. From the instance it shows up, you have a short time to take action until it starts its harmful activity. And be sure – it is far better not to await these malicious actions.

What is Win32/Filecoder.NPJ virus?

Win32/Filecoder.NPJ is ransomware-type malware. It searches for the files on your disk drive, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware also does a ton of damage to your system. It modifies the networking setups in order to avoid you from looking for the removal articles or downloading the anti-malware program. Sometimes, Win32/Filecoder.NPJ can also prevent the setup of anti-malware programs.

Win32/Filecoder.NPJ Summary

In total, Win32/Filecoder.NPJ malware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • At least one process apparently crashed during execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • Manipulates data from or to the Recycle Bin;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Attempts to modify desktop wallpaper;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Exhibits possible ransomware file modification behavior;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents kept on the target’s disk drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has actually been a nightmare for the last 4 years. It is hard to imagine a more hazardous malware for both individuals and corporations. The algorithms used in Win32/Filecoder.NPJ (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. But that malware does not do all these terrible things immediately – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Win32/Filecoder.NPJ detection is a clear signal that you have to start the elimination process.

Where did I get the Win32/Filecoder.NPJ?

Typical ways of Win32/Filecoder.NPJ injection are basic for all other ransomware examples. Those are one-day landing sites where users are offered to download the free software, so-called bait emails and hacktools. Bait e-mails are a relatively new tactic in malware distribution – you receive the email that simulates some regular notifications about deliveries or bank service conditions modifications. Inside of the email, there is a malicious MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks quite uncomplicated, however, still requires a lot of awareness. Malware can hide in different spots, and it is far better to stop it even before it goes into your PC than to rely upon an anti-malware program. General cybersecurity knowledge is just an essential item in the modern world, even if your interaction with a PC remains on YouTube videos. That may keep you a great deal of time and money which you would spend while seeking a solution.

Win32/Filecoder.NPJ malware technical details

File Info:

name: 627914078AFB6E8601C9.mlwpath: /opt/CAPEv2/storage/binaries/b4ec9be8e93dd3f6f48db661592ad6a96ffde8827a7a30362eec06232d9b8da5crc32: FD341637md5: 627914078afb6e8601c91fc8552887bcsha1: 7e149639e304024e895b2ce7a35a1626abf084f2sha256: b4ec9be8e93dd3f6f48db661592ad6a96ffde8827a7a30362eec06232d9b8da5sha512: 52dd6dcfc9d70c8d4fa47c589fc54d939277bcf2fc1989efb8830384b2bce2ebca4ad28c347e2339783f4c4d86edbade9c4a5d3487daa885310db5d7f61883b8ssdeep: 49152:o0C8/tCdsXPZzy5ljatKM4ct5BzvX0bkUF5SQ2CgAY2AMrwZP4rDGjM+osrJJ+X:XMs/ZWfJMp/dMbXbSHAnAMrwsGQ+NAtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18C16022439EA802EF073AF755FD476E6D95FBF332A0BABDD205103464622A40ED9163Dsha3_384: e6e6bd43fb540ecc326616af6d949c599419ee2531bad9a7f6a187eb51420f5419b3cab638932a5e32937401ba139cf3ep_bytes: e894240000e989feffff8bff558bec51timestamp: 2018-01-24 00:52:46

Version Info:

0: [No Data]

Win32/Filecoder.NPJ also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Scar.mip4
Elastic malicious (high confidence)
DrWeb BackDoor.IRC.Bot.3240
MicroWorld-eScan Gen:Heur.Mint.Zard.4
FireEye Generic.mg.627914078afb6e86
CAT-QuickHeal Trojan.Diztakun.16490
ALYac Trojan.Ransom.XiaoBa
Cylance Unsafe
VIPRE BehavesLike.Win32.Malware.eah (mx-v)
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005610641 )
Alibaba Trojan:Win32/Filecoder.1d8af7a2
K7GW Trojan ( 005610641 )
Cybereason malicious.78afb6
BitDefenderTheta Gen:NN.ZexaF.34114.@tW@aGKwQmk
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.NPJ
APEX Malicious
Paloalto generic.ml
ClamAV Win.Dropper.Tiggre-9845940-0
Kaspersky Trojan-Ransom.Win32.Agent.abvm
BitDefender Gen:Heur.Mint.Zard.4
NANO-Antivirus Trojan.Win32.Graftor.exqocl
Avast Win32:Malware-gen
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Gen:Heur.Mint.Zard.4
Sophos Generic ML PUA (PUA)
Comodo Malware@#cm4y5ehe9fse
Zillya Trojan.Filecoder.Win32.7088
TrendMicro Ransom_GENASOM.THBAFK
McAfee-GW-Edition BehavesLike.Win32.Generic.rc
Emsisoft Gen:Heur.Mint.Zard.4 (B)
SentinelOne Static AI – Malicious PE
GData Gen:Heur.Mint.Zard.4
Jiangmin Trojan.Agent.cxvr
Webroot W32.Malware.Gen
Avira TR/Agent.xxkgo
Antiy-AVL Trojan/Generic.ASMalwS.242A130
Kingsoft Win32.Troj.Undef.(kcloud)
Arcabit Trojan.Mint.Zard.4
ViRobot Trojan.Win32.Z.Agent.4205056
Microsoft Ransom:MacOS/Filecoder
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Xiaransom.C2610362
McAfee GenericRXFB-PV!627914078AFB
MAX malware (ai score=99)
VBA32 TrojanRansom.Genasom
TrendMicro-HouseCall Ransom_GENASOM.THBAFK
Rising Trojan.Kryptik!1.B3E8 (CLASSIC)
Yandex Trojan.Filecoder!NSOWMk2YT74
eGambit Unsafe.AI_Score_99%
Fortinet W32/Agent.WP!tr
AVG Win32:Malware-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Win32/Filecoder.NPJ?

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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