What is Win32/Filecoder.NOD infection?

In this article you will certainly find about the meaning of Win32/Filecoder.NOD and also its adverse impact on your computer system. Such ransomware are a kind of malware that is specified by online frauds to demand paying the ransom by a target.

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Most of the cases, Win32/Filecoder.NOD infection will advise its victims to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Filecoder.NOD Summary

These alterations can be as complies with:

  • 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.
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the sufferer’s hard drive — so the target can no longer use the data;
  • Preventing normal 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.


One of the most regular networks where Win32/Filecoder.NOD are injected are:

  • By ways of phishing e-mails;
  • As an effect of customer ending up on a resource that hosts a harmful software;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s PC or protect against the device from functioning in a correct fashion – while also positioning a ransom money note that mentions the need for the sufferers to effect the settlement for the objective of decrypting the files or bring back the documents system back to the preliminary problem. In a lot of instances, the ransom money note will show up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/Filecoder.NOD distribution networks.

In different corners of the world, Win32/Filecoder.NOD expands by jumps and bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom money amount might differ depending upon particular regional (local) settings. The ransom notes as well as methods of obtaining the ransom money amount might differ depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In certain areas, the Trojans often wrongfully report having identified some unlicensed applications enabled on the target’s device. The alert after that demands the user to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software application piracy is much less popular, this method is not as efficient for the cyber scams. Conversely, the Win32/Filecoder.NOD popup alert may falsely declare to be stemming from a law enforcement organization and also will report having located youngster porn or various other prohibited data on the gadget.

    Win32/Filecoder.NOD popup alert may falsely assert to be deriving from a legislation enforcement institution and also will certainly report having located youngster porn or other unlawful information on the device. The alert will in a similar way contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 9FDB761E
md5: 259d9f8bc15f10ef1ab2c317761c9090
name: 259D9F8BC15F10EF1AB2C317761C9090.mlw
sha1: 3c2aab8e61c9921dea686a1122baa6c1b49956f8
sha256: 90b4871229a8654c4258d4d470475e891b7db88407f53653a110de8d70fa4811
sha512: 81a7e3aff9f66aff436d2dabd93ce88499c15536ad3124977a284d8e7bf99be10a7b644ea4b4af32a6db4e1d5dbd823485a4179d928a58e748031416db92847e
ssdeep: 6144:9k0Ps14JKZ6JIpESQAko1/ndluhQyLTXBaW8GpjBlyQJNO0ww/LXz67:9BPZJev5Q/wd02yLTXBaLGpjBlyQDzw
type: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

Win32/Filecoder.NOD also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0051a49f1 )
ALYac Trojan.Ransom.Satan
Malwarebytes Malware.Heuristic.1001
Zillya Trojan.Filecoder.Win32.6892
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Pynamer.0dac83e0
K7GW Trojan ( 0051a49f1 )
Cybereason malicious.bc15f1
Symantec Ransom.CryptXXX
ESET-NOD32 a variant of Win32/Filecoder.NOD
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Gen.gmf
BitDefender Gen:Variant.Zusy.270397
NANO-Antivirus Trojan.Win32.FileCoder.ewencr
MicroWorld-eScan Gen:Variant.Zusy.270397
Tencent Win32.Trojan.Gen.Hrfp
Ad-Aware Gen:Variant.Zusy.270397
Sophos Mal/Generic-S
Comodo Malware@#3ncfgb8xir3
BitDefenderTheta Gen:NN.ZexaF.34608.tmWaaaXjQggO
TrendMicro Ransom_NATAS.THGBCAH
McAfee-GW-Edition BehavesLike.Win32.Gupboot.fc
Emsisoft Gen:Variant.Zusy.270397 (B)
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_75%
Kingsoft Win32.Heur.KVM007.a.(kcloud)
Arcabit Trojan.Zusy.D4203D
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Zusy.270397
AhnLab-V3 Malware/Win32.Generic.C2319796
McAfee Artemis!259D9F8BC15F
MAX malware (ai score=98)
VBA32 BScope.TrojanRansom.Gen
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_NATAS.THGBCAH
Rising Ransom.FileCryptor!8.1A7 (CLOUD)
Ikarus Trojan.Agent
Fortinet W32/Filecoder.NOD!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Ransom.Generic.HgIASOcA

How to remove Win32/Filecoder.NOD virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

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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.

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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 Win32/Filecoder.NOD 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 Win32/Filecoder.NOD you can always ask me in the comments for getting help.

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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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