What is Win64/Filecoder.Natas.A infection?

In this post you will find about the interpretation of Win64/Filecoder.Natas.A and also its unfavorable impact on your computer system. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom by a sufferer.

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In the majority of the situations, Win64/Filecoder.Natas.A infection will advise its victims to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win64/Filecoder.Natas.A Summary

These adjustments can be as complies with:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the sufferer’s hard disk drive — so the sufferer can no more utilize the information;
  • 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.


One of the most typical networks through which Win64/Filecoder.Natas.A Ransomware are injected are:

  • By means of phishing e-mails;
  • As a repercussion of individual ending up on a resource that organizes a malicious software;

As soon as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or avoid the gadget from functioning in a correct fashion – while likewise placing a ransom note that mentions the requirement for the targets to effect the payment for the function of decrypting the records or restoring the file system back to the preliminary condition. In a lot of circumstances, the ransom note will turn up when the client reboots the COMPUTER after the system has currently been harmed.

Win64/Filecoder.Natas.A circulation channels.

In various corners of the globe, Win64/Filecoder.Natas.A expands by jumps and also bounds. Nevertheless, the ransom money notes and methods of extorting the ransom money quantity may vary relying on particular local (local) settings. The ransom notes and also tricks of extorting the ransom quantity might vary depending on certain neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans typically wrongfully report having spotted some unlicensed applications enabled on the sufferer’s tool. The sharp after that demands the individual to pay the ransom money.

    Faulty statements about illegal web content.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber scams. Alternatively, the Win64/Filecoder.Natas.A popup alert may wrongly claim to be stemming from a law enforcement institution as well as will certainly report having located child porn or other prohibited data on the tool.

    Win64/Filecoder.Natas.A popup alert might incorrectly declare to be acquiring from a legislation enforcement establishment and also will report having located child pornography or various other unlawful data on the device. The alert will in a similar way consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 1ED62FC5
md5: b49599b558d66e34354291aa8914b2cb
name: B49599B558D66E34354291AA8914B2CB.mlw
sha1: 51e2280dfe3ba14a7dba29811ca528084c71138d
sha256: 0b6ef1f473b33f9c0957bb6d72b85d91bb9bb5759b08145609ca310c775acfa9
sha512: e82e96566e8841e2206eb292e0915ac4abfedb628d55801bf8f124731a834c7dd0b603a41fe519e8430e6be1c91104e9bb19d9dd3517e93d95232a106bf597bf
ssdeep: 1536:C3tshpTqHvDyMQ0cKxVlATYPE6/RSIfQOlfUbTwvWrpt8YoUu3eKAsh:C3OlKxETcE6JnfQOlfWTwvapBo1hp
type: PE32+ executable (GUI) x86-64, for MS Windows

Version Info:

0: [No Data]

Win64/Filecoder.Natas.A also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Natas.1
Cylance Unsafe
Zillya Trojan.Filecoder.Win64.11
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanSpy:Win64/Natas.6be2d4da
K7GW Trojan ( 00508cb81 )
K7AntiVirus Trojan ( 00508cb81 )
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win64/Filecoder.Natas.A
APEX Malicious
Avast Win64:Evo-gen [Susp]
Kaspersky Trojan-Spy.Win32.Zbot.zwbc
BitDefender Gen:Variant.Ransom.Natas.1
NANO-Antivirus Riskware.Win64.AD.etixoe
MicroWorld-eScan Gen:Variant.Ransom.Natas.1
Tencent Malware.Win32.Gencirc.10b6bfd8
Ad-Aware Gen:Variant.Ransom.Natas.1
Sophos Generic PUA FB (PUA)
Comodo ApplicUnwnt@#3hk824cg3ydqu
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.PHOBOS.SMA
Emsisoft Gen:Variant.Ransom.Natas.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin WebToolbar.Generic.amk
Avira HEUR/AGEN.1102637
eGambit Generic.Malware
Microsoft Trojan:Win32/Occamy.C
AegisLab Adware.Win32.Generic.2!c
GData Gen:Variant.Ransom.Natas.1
AhnLab-V3 PUP/Win32.WebToolbar.R216060
Acronis suspicious
McAfee Artemis!B49599B558D6
MAX malware (ai score=99)
VBA32 TrojanRansom.Win64.Vigorf
Panda Trj/CI.A
TrendMicro-HouseCall Ransom.Win32.PHOBOS.SMA
Rising Ransom.Satwancrypt!8.EDEF (CLOUD)
Ikarus Trojan-Ransom.FileCrypter
Fortinet Riskware/Generic
AVG Win64:Evo-gen [Susp]
Qihoo-360 Win64/Trojan.Zbot.H8oATxEA

How to remove Win64/Filecoder.Natas.A 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

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 Win64/Filecoder.Natas.A 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 Win64/Filecoder.Natas.A 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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