Win32/Filecoder.NSL

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

What is Win32/Filecoder.NSL infection?

In this short article you will discover about the interpretation of Win32/Filecoder.NSL as well as its adverse influence on your computer. Such ransomware are a kind of malware that is clarified by online scams to require paying the ransom by a target.

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In the majority of the instances, Win32/Filecoder.NSL ransomware will certainly advise its sufferers to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has introduced to the target’s tool.

Win32/Filecoder.NSL Summary

These modifications can be as follows:

  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Network activity detected but not expressed in API logs;
  • Likely virus infection of existing system binary;
  • Appends a known multi-family ransomware file extension to files that have been encrypted;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the sufferer’s hard drive — so the victim can no more utilize the information;
  • Preventing routine accessibility to the sufferer’s workstation;

Win32/Filecoder.NSL

One of the most regular networks through which Win32/Filecoder.NSL Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user ending up on a source that holds a malicious software application;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or avoid the tool from operating in a proper fashion – while also putting a ransom money note that points out the demand for the victims to effect the payment for the purpose of decrypting the records or bring back the documents system back to the preliminary condition. In many instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has currently been harmed.

Win32/Filecoder.NSL distribution networks.

In various corners of the world, Win32/Filecoder.NSL grows by leaps and bounds. However, the ransom money notes and techniques of obtaining the ransom amount may vary depending on certain local (regional) setups. The ransom money notes as well as techniques of obtaining the ransom money amount may vary depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having spotted some unlicensed applications allowed on the victim’s gadget. The alert after that requires the user to pay the ransom.

    Faulty declarations about prohibited material.

    In countries where software program piracy is much less prominent, this method is not as reliable for the cyber scams. Alternatively, the Win32/Filecoder.NSL popup alert may wrongly assert to be stemming from a law enforcement establishment as well as will report having situated youngster porn or various other prohibited information on the gadget.

    Win32/Filecoder.NSL popup alert might falsely declare to be obtaining from a law enforcement organization and also will report having located kid pornography or other illegal data on the device. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 95DE7A14
md5: 7707c118faaaeb2f3583d34b3da0ea2b
name: 7707C118FAAAEB2F3583D34B3DA0EA2B.mlw
sha1: ba48b69e89135da18f120281ce3da28484ec45c0
sha256: 1900a6798a51c6cf5b1d481ec54aae2efb63ec6a71c9915a6bc90e072b49a8b2
sha512: d2869757fc0e94cb0990708a5f3205f47e17124688b02fe232d1b3582dc4f80fe20d5b7169e2814e623fe920ecd9855f31bce7b05615fb2e20650cbbab048a48
ssdeep: 96:cilesHkCwyuQqxuu92j3LOXyGi4fULIpiCx61gfJeXQCn98gpPAcGxzhjTg:zHkuuQqxuu5iGKIpiCo1KJeLqgpezh3
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Filecoder.NSL also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053e76a1 )
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacGeneric.Ransom.GarrantDecrypt.C50B3FCF
CylanceUnsafe
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Filecoder.6466e598
K7GWTrojan ( 0053e76a1 )
Cybereasonmalicious.8faaae
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.NSL
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan-Ransom.Win32.Generic
BitDefenderGeneric.Ransom.GarrantDecrypt.C50B3FCF
NANO-AntivirusTrojan.Win32.Filecoder.fivyvb
MicroWorld-eScanGeneric.Ransom.GarrantDecrypt.C50B3FCF
TencentWin32.Trojan.Raas.Auto
Ad-AwareGeneric.Ransom.GarrantDecrypt.C50B3FCF
SophosMal/Generic-R + Mal/EncPk-ZC
BitDefenderThetaGen:NN.ZexaF.34790.amGfae61TNc
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.zh
FireEyeGeneric.mg.7707c118faaaeb2f
EmsisoftGeneric.Ransom.GarrantDecrypt.C50B3FCF (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.Crypmod.kk
WebrootW32.Malware.Downloader
AviraTR/Crypt.XPACK.Gen
Antiy-AVLTrojan/Generic.ASMalwS.287219B
MicrosoftTrojan:Win32/Glupteba!ml
ArcabitGeneric.Ransom.GarrantDecrypt.C50B3FCF
ZoneAlarmHEUR:Trojan-Ransom.Win32.Generic
GDataGeneric.Ransom.GarrantDecrypt.C50B3FCF
AhnLab-V3Trojan/Win32.Generic.C2755307
Acronissuspicious
McAfeeArtemis!7707C118FAAA
MAXmalware (ai score=100)
VBA32BScope.TrojanRansom.Cryptor
PandaTrj/GdSda.A
RisingRansom.Outsider!1.D74B (CLASSIC)
YandexTrojan.GenAsa!5vG9hBUE8qA
IkarusTrojan-Ransom.FileCrypter
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/FilecoderProt.F183!tr.ransom
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Generic.HwsBEpsA

How to remove Win32/Filecoder.NSL 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.

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 Win32/Filecoder.NSL 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?

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If the guide doesn’t help you to remove Win32/Filecoder.NSL 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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