Win32/Filecoder.Natas.B

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

What is Win32/Filecoder.Natas.B infection?

In this short article you will certainly locate concerning the interpretation of Win32/Filecoder.Natas.B and also its adverse influence on your computer system. Such ransomware are a kind of malware that is elaborated by online scams to demand paying the ransom money by a target.

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Most of the situations, Win32/Filecoder.Natas.B ransomware will certainly advise its targets to launch funds move for the objective of counteracting the changes that the Trojan infection has introduced to the victim’s gadget.

Win32/Filecoder.Natas.B Summary

These alterations can be as complies with:

  • The executable is compressed using UPX;
  • Exhibits possible ransomware file modification behavior;
  • Ciphering the papers situated on the victim’s disk drive — so the target can no longer use the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/Filecoder.Natas.B

The most normal channels through which Win32/Filecoder.Natas.B Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of customer winding up on a resource that organizes a malicious software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s computer or prevent the device from working in an appropriate fashion – while likewise placing a ransom note that states the demand for the targets to impact the payment for the purpose of decrypting the documents or restoring the documents system back to the preliminary problem. In a lot of circumstances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Filecoder.Natas.B circulation networks.

In numerous corners of the globe, Win32/Filecoder.Natas.B expands by jumps as well as bounds. Nevertheless, the ransom notes and techniques of extorting the ransom money amount might vary relying on specific regional (local) settings. The ransom notes and also techniques of extorting the ransom amount might vary depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having discovered some unlicensed applications allowed on the sufferer’s device. The alert then requires the user to pay the ransom.

    Faulty declarations regarding illegal content.

    In nations where software program piracy is much less preferred, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/Filecoder.Natas.B popup alert might falsely declare to be stemming from a law enforcement institution as well as will report having located kid pornography or various other prohibited information on the gadget.

    Win32/Filecoder.Natas.B popup alert might incorrectly claim to be acquiring from a legislation enforcement institution as well as will report having located child pornography or various other illegal data on the tool. The alert will in a similar way have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: B8EA26D3
md5: 07c37c1ada69003e6aba1e4b28683c52
name: 07C37C1ADA69003E6ABA1E4B28683C52.mlw
sha1: bb41113e5efbd15f656d7e8075858ab465a596e3
sha256: a41a853a5c9bf5aca87c627e898098fc1c569837ff2db0fb0bb8ba512c88d6b8
sha512: ea7f79ac660323b61bc51fc8516a41b334d25c5b0a35938cbbb0f3100bc4af9345e034ba4e336cb71786d0b00a01435158c52ed799f105a740de1b446c4cfa09
ssdeep: 12288:pR9X9811/W2KrVkxbvQhMkAN6Uw3OEhlZHxMS:pR9XO+fkxrQhhUtEhRMS
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Filecoder.Natas.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053df001 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.25460
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Satan
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.8542
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Ransom:Win32/Crypmod.7b98ccb1
K7GW Trojan ( 0053df001 )
Cybereason malicious.ada690
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Natas.B
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Crypmod.aahh
BitDefender Gen:Variant.Ransom.DBger.1
NANO-Antivirus Trojan.Win32.FileCoder.facmgu
MicroWorld-eScan Gen:Variant.Ransom.DBger.1
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Gen:Variant.Ransom.DBger.1
Sophos ML/PE-A
Comodo Packed.Win32.MUPX.Gen@24tbus
BitDefenderTheta Gen:NN.ZexaF.34692.JuX@aKpxFlhi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.hm
FireEye Generic.mg.07c37c1ada69003e
Emsisoft Gen:Variant.Ransom.DBger.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.cbwib
Avira HEUR/AGEN.1129606
Antiy-AVL Trojan/Generic.ASMalwS.25A961F
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Ransom.DBger.1
AegisLab Trojan.Win32.Crypmod.4!c
GData Gen:Variant.Ransom.DBger.1
Acronis suspicious
McAfee GenericRXES-XC!07C37C1ADA69
MAX malware (ai score=100)
VBA32 suspected of Trojan.Downloader.gen
Panda Trj/GdSda.A
Rising Ransom.FileCryptor!8.1A7 (CLOUD)
Yandex Trojan.GenAsa!2JMadJhFKfw
Ikarus Trojan-Ransom.Natas
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Filecoder.NQC!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Filecoder.Natas.B 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.Natas.B 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.Natas.B 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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