Trojan-Ransom.Win32.Encoder.nak

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

What is Trojan-Ransom.Win32.Encoder.nak infection?

In this post you will find regarding the interpretation of Trojan-Ransom.Win32.Encoder.nak and its negative influence on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to demand paying the ransom by a sufferer.

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In the majority of the cases, Trojan-Ransom.Win32.Encoder.nak ransomware will certainly advise its targets to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the target’s tool.

Trojan-Ransom.Win32.Encoder.nak Summary

These adjustments can be as adheres to:

  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image;
  • Unconventionial language used in binary resources: Czech;
  • Spoofs its process name and/or associated pathname to appear as a legitimate process;
  • Network activity detected but not expressed in API logs;
  • Attempts to identify installed AV products by installation directory;
  • Attempts to identify installed AV products by registry key;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the target’s hard disk drive — so the target can no more use the information;
  • Preventing routine access to the victim’s workstation;

Trojan-Ransom.Win32.Encoder.nak

The most regular networks where Trojan-Ransom.Win32.Encoder.nak Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of individual ending up on a resource that hosts a harmful software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the victim’s computer or avoid the device from operating in an appropriate way – while additionally putting a ransom note that points out the demand for the targets to impact the settlement for the objective of decrypting the documents or restoring the data system back to the first problem. In a lot of circumstances, the ransom note will certainly show up when the client reboots the PC after the system has already been harmed.

Trojan-Ransom.Win32.Encoder.nak distribution channels.

In different edges of the globe, Trojan-Ransom.Win32.Encoder.nak grows by leaps and also bounds. Nevertheless, the ransom money notes and also tricks of obtaining the ransom money amount may vary depending upon certain neighborhood (local) setups. The ransom notes as well as methods of obtaining the ransom money quantity might differ depending on certain local (local) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty declarations about prohibited web content.

    In nations where software program piracy is less preferred, this method is not as reliable for the cyber frauds. Conversely, the Trojan-Ransom.Win32.Encoder.nak popup alert may wrongly claim to be stemming from a law enforcement organization and also will certainly report having situated kid porn or various other prohibited data on the device.

    Trojan-Ransom.Win32.Encoder.nak popup alert may wrongly assert to be deriving from a regulation enforcement institution and also will report having situated kid porn or other prohibited data on the gadget. The alert will similarly contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: A0588D03
md5: 11f383286a903795d52ce72141a38bc9
name: 11F383286A903795D52CE72141A38BC9.mlw
sha1: 2cfba46d40392bd15778dfe79e57f523b6e6058c
sha256: 033e9d22c52c6dd00ffea8e48e7b596eb8693a7007571603af7766236851398f
sha512: c4c70316d89ddbb354d58dd9c24dcd25335c7a3957d53a53b58ddf6ab5056e3e98c23f655bcc5ebfa88c64b03dd471c605cecae6b04188092fae3f24e4892a53
ssdeep: 24576:v2trMa5lj1aetziAXC864bvbtU7ns8INmsy+dggggMw3nqTbHc+RwJkdV4KtXo8:hAxe47bf8Ios1dggggMeqTb8+RwJIV4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2021 AVG Technologies CZ, s.r.o.
InternalName: SfxInst
FileVersion: 21.2.6096.0
CompanyName: AVG Technologies CZ, s.r.o.
ProductName: AVG Internet Security System
ProductVersion: 21.2.6096.0
FileDescription: AVG Antivirus
OriginalFilename: SfxInst.exe
ProductId: avg-av
Translation: 0x0409 0x04b0

Trojan-Ransom.Win32.Encoder.nak also known as:

GridinSoftTrojan.Ransom.Gen
ALYacTrojan.GenericKD.46566195
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_70% (W)
BitDefenderTrojan.GenericKD.46566195
KasperskyTrojan-Ransom.Win32.Encoder.nak
MicroWorld-eScanTrojan.GenericKD.46566195
TencentWin32.Trojan.Encoder.Dzah
Ad-AwareTrojan.GenericKD.46566195
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Injector.th
FireEyeTrojan.GenericKD.46566195
EmsisoftTrojan.GenericKD.46566195 (B)
JiangminTrojan.Encoder.adn
MicrosoftTrojan:Win32/Zpevdo.B
GDataTrojan.GenericKD.46566195
McAfeeArtemis!11F383286A90
MAXmalware (ai score=84)
MalwarebytesMachineLearning/Anomalous.95%
PandaTrj/CI.A
YandexTrojan.Encoder!Q+dVBZbxD8g
FortinetRiskware/Encoder
Qihoo-360Win32/Ransom.Encoder.HxQBUTsA

How to remove Trojan-Ransom.Win32.Encoder.nak ransomware?

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 Trojan-Ransom.Win32.Encoder.nak 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 Trojan-Ransom.Win32.Encoder.nak 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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