Win32/Filecoder.NLK

What is Win32/Filecoder.NLK infection?

In this short article you will find regarding the meaning of Win32/Filecoder.NLK as well as its unfavorable impact on your computer. Such ransomware are a form of malware that is elaborated by online scams to require paying the ransom money by a sufferer.

Most of the cases, Win32/Filecoder.NLK virus will advise its victims to start funds transfer for the function of neutralizing the changes that the Trojan infection has presented to the sufferer’s tool.

Win32/Filecoder.NLK Summary

These modifications can be as follows:

  • 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.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • 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 delete volume shadow copies;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Likely virus infection of existing system binary;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the target’s hard drive — so the target can no more utilize the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Filecoder.NLK

The most regular networks where Win32/Filecoder.NLK Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a resource that hosts a harmful software;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or protect against the device from operating in a correct fashion – while likewise positioning a ransom money note that states the requirement for the targets to effect the payment for the purpose of decrypting the files or recovering the data system back to the first condition. In most instances, the ransom note will come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/Filecoder.NLK circulation networks.

In numerous edges of the globe, Win32/Filecoder.NLK grows by leaps as well as bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money amount might vary depending on specific neighborhood (regional) settings. The ransom money notes as well as techniques of obtaining the ransom amount might vary depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications allowed on the victim’s gadget. The alert after that demands the user to pay the ransom.

    Faulty declarations about illegal material.

    In countries where software application piracy is less preferred, this method is not as effective for the cyber fraudulences. Conversely, the Win32/Filecoder.NLK popup alert might incorrectly claim to be stemming from a police establishment and also will certainly report having situated child pornography or other illegal data on the device.

    Win32/Filecoder.NLK popup alert might incorrectly declare to be acquiring from a regulation enforcement establishment and also will certainly report having situated youngster porn or various other unlawful information on the gadget. The alert will in a similar way consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 54BADD56md5: 78ca4efe15d4e791d0a668f6fe06a1e9name: 78CA4EFE15D4E791D0A668F6FE06A1E9.mlwsha1: 63a62a9bb15d27ed8279844a1a9b2c3d2c8c871csha256: 212c29fe3acab032b3c959609822841acfe0980f65959df3743fc8d8624ebc53sha512: f6c47e02b888514952f6633e6f9054b6890794b727ed057a349989c0684d33d755d93e779d83a6c21802f07fc01d9e87c38ed84658820950378126f33bf91009ssdeep: 6144:2fTUUU5c6x3IfUme/xLyCM7K9e+g29o9cMAbbaqnBS6mWnc:0Ttgx3eUme/xLv6K829KQmhtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 2006-2014 Open Source Software community LGPLInternalName: Lyons SendFileVersion: 8.6.4.8CompanyName: Open Source Software community LGPLFileDescription: Notifyall Bfn Silkscreen Paperwork GuardedLegalTrademarks: Copyright (c) 2006-2014 Open Source Software community LGPLComments: Notifyall Bfn Silkscreen Paperwork GuardedProductName: Lyons SendLanguages: EnglishProductVersion: 8.6.4.8PrivateBuild: 8.6.4.8OriginalFilename: Lyons Send.exeTranslation: 0x0409 0x04b0

Win32/Filecoder.NLK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0050d8431 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Steam.13902
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.FileCryptor
Cylance Unsafe
Zillya Trojan.Deshacop.Win32.959
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Genasom.ali1000102
K7GW Trojan ( 0050d8431 )
Cybereason malicious.e15d4e
Cyren W32/Trojan.KFUS-4493
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.NLK
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Deshacop.fov
BitDefender Trojan.GenericKD.5082152
NANO-Antivirus Trojan.Win32.Deshacop.epfhzu
MicroWorld-eScan Trojan.GenericKD.5082152
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.GenericKD.5082152
Comodo Malware@#f0osdchhjyq9
BitDefenderTheta Gen:NN.ZexaF.34608.tq0@aSdkjdni
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_FAKEGLOBE.L
McAfee-GW-Edition Ransomware-GAG!78CA4EFE15D4
FireEye Generic.mg.78ca4efe15d4e791
Emsisoft Trojan.GenericKD.5082152 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira TR/Crypt.ZPACK.Gen7
Microsoft Ransom:Win32/FileCryptor
Arcabit Trojan.Generic.D4D8C28
AegisLab Trojan.Multi.Generic.4!c
GData Trojan.GenericKD.5082152
AhnLab-V3 Win-Trojan/Sagecrypt.Gen
Acronis suspicious
McAfee Ransomware-GAG!78CA4EFE15D4
MAX malware (ai score=100)
VBA32 BScope.TrojanSpy.Ursnif
Malwarebytes MachineLearning/Anomalous.95%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_FAKEGLOBE.L
Rising Ransom.FileCryptor!8.1A7 (CLOUD)
Yandex Trojan.Deshacop!r0qddBf0n0g
Ikarus Trojan.Inject
eGambit Unsafe.AI_Score_99%
Fortinet W32/Deshacop.FOV!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.7c4

How to remove Win32/Filecoder.NLK 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Filecoder.NLK you can always ask me in the comments for getting help.

References

    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.

    Leave a Comment