What is Win32/Poison.NAT infection?

In this post you will certainly find regarding the meaning of Win32/Poison.NAT and its unfavorable impact on your computer system. Such ransomware are a type of malware that is specified by on the internet scams to require paying the ransom by a sufferer.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

In the majority of the cases, Win32/Poison.NAT virus will certainly advise its targets to initiate funds move for the purpose of neutralizing the modifications that the Trojan infection has actually presented to the victim’s tool.

Win32/Poison.NAT Summary

These alterations can be as follows:

  • Injection (inter-process);
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the target’s hard drive — so the sufferer can no longer use the information;
  • Preventing routine access to the victim’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 normal channels whereby Win32/Poison.NAT Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a resource that organizes a malicious software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s computer or prevent the device from functioning in an appropriate manner – while likewise placing a ransom note that states the requirement for the targets to effect the payment for the purpose of decrypting the papers or recovering the file system back to the preliminary condition. In most instances, the ransom note will certainly show up when the customer restarts the PC after the system has already been damaged.

Win32/Poison.NAT distribution channels.

In different edges of the world, Win32/Poison.NAT expands by jumps as well as bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom money quantity might differ relying on specific neighborhood (local) setups. The ransom notes as well as methods of obtaining the ransom money amount may vary depending on specific regional (regional) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software application.

    In specific areas, the Trojans typically wrongfully report having discovered some unlicensed applications made it possible for on the target’s tool. The sharp then requires the user to pay the ransom.

    Faulty declarations about unlawful material.

    In countries where software program piracy is less prominent, this technique is not as effective for the cyber fraudulences. Conversely, the Win32/Poison.NAT popup alert might falsely claim to be originating from a law enforcement institution as well as will certainly report having located youngster pornography or other prohibited data on the gadget.

    Win32/Poison.NAT popup alert might incorrectly claim to be obtaining from a law enforcement institution and will report having situated youngster porn or various other unlawful data on the device. The alert will in a similar way include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 2B273299
md5: bc7e363cfc6733abe67abaf42e18c61f
name: BC7E363CFC6733ABE67ABAF42E18C61F.mlw
sha1: 14301872ea6d0e0fd2afbf2d144f6f95493a1d3a
sha256: b78141d39f022bef126488b76e384c410e869ea672084fd61393941b10cf7d5b
sha512: f12b2302308da8c32af41dbc679e7fd38d5c5e8f01903fe90554f9acde4dc32068f5ec62dce49f125a41b5df89220fd6b8724c2ab967b06f98b49457dda910f6
ssdeep: 1536:gSqnwZhX54607A+X7UIpt9AcOBMkIFtTfehGl0sVZhSNcMyi+yHHZg:gSqnwZh61VKBuF5qmjDMyi+uZg
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Poison.NAT also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004cb7311 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Ransomware.Teslacrypt.WR4
ALYac Gen:Variant.Johnnie.18005
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Poison.1778593a
K7GW Trojan ( 004cb7311 )
Cybereason malicious.cfc673
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Poison.NAT
APEX Malicious
Avast Win32:Dorder-AC [Trj]
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Variant.Johnnie.18005
NANO-Antivirus Trojan.Win32.Poison.evphqo
MicroWorld-eScan Gen:Variant.Johnnie.18005
Tencent Win32.Trojan.Strictor.Phqk
Ad-Aware Gen:Variant.Johnnie.18005
Sophos Mal/Generic-R
Comodo Malware@#1ldn39aklx5ju
BitDefenderTheta Gen:NN.ZexaF.34628.eqW@a0qx2co
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0GLF20
McAfee-GW-Edition BehavesLike.Win32.Dropper.lh
Emsisoft Gen:Variant.Johnnie.18005 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1137506
Microsoft Trojan:Win32/Tiggre!rfn
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Gen:Variant.Johnnie.18005
AhnLab-V3 Malware/Win32.Generic.C2380874
Acronis suspicious
McAfee Artemis!BC7E363CFC67
MAX malware (ai score=97)
VBA32 BScope.Trojan.Yakes
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R002C0GLF20
Rising Trojan.Generic@ML.99 (RDMK:6c+5IIE0tdEAwUxfv6leDg)
Yandex Trojan.Poison!npZy3vTHY1I
Ikarus Trojan.Win32.Poison
Fortinet PossibleThreat
AVG Win32:Dorder-AC [Trj]
Qihoo-360 Win32/Trojan.Generic.HgIASOQA

How to remove Win32/Poison.NAT ransomware?

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 Win32/Poison.NAT 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

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

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.