Ransom:PowerShell/NetWalker!MTB

Written by Robert Bailey

What is Ransom:PowerShell/NetWalker!MTB infection?

In this article you will certainly discover concerning the meaning of Ransom:PowerShell/NetWalker!MTB and also its unfavorable effect on your computer. Such ransomware are a form of malware that is elaborated by online scams to require paying the ransom money by a target.

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In the majority of the cases, Ransom:PowerShell/NetWalker!MTB ransomware will certainly instruct its targets to start funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the target’s gadget.

Ransom:PowerShell/NetWalker!MTB Summary

These modifications can be as follows:

  • Injection (inter-process);
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • A potential decoy document was displayed to the user;
  • Network activity detected but not expressed in API logs;
  • Harvests information related to installed mail clients;
  • Ciphering the documents found on the victim’s disk drive — so the target can no more use the information;
  • Preventing normal accessibility to the target’s workstation;

Ransom:PowerShell/NetWalker!MTB

One of the most normal networks whereby Ransom:PowerShell/NetWalker!MTB are infused are:

  • By ways of phishing emails;
  • As an effect of user ending up on a resource that holds a harmful software application;

As soon as the Trojan is effectively injected, it will either cipher the information on the sufferer’s PC or protect against the device from functioning in a correct fashion – while likewise placing a ransom money note that points out the demand for the sufferers to impact the settlement for the function of decrypting the records or recovering the file system back to the first problem. In a lot of instances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has currently been damaged.

Ransom:PowerShell/NetWalker!MTB circulation channels.

In different corners of the globe, Ransom:PowerShell/NetWalker!MTB expands by jumps and bounds. However, the ransom notes and tricks of obtaining the ransom quantity might vary relying on particular regional (regional) settings. The ransom money notes and methods of obtaining the ransom money amount might differ depending on specific local (regional) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having found some unlicensed applications allowed on the target’s gadget. The alert then demands the user to pay the ransom.

    Faulty statements regarding unlawful content.

    In countries where software piracy is much less preferred, this technique is not as efficient for the cyber scams. Additionally, the Ransom:PowerShell/NetWalker!MTB popup alert might wrongly declare to be stemming from a law enforcement institution and also will report having located youngster porn or other prohibited information on the gadget.

    Ransom:PowerShell/NetWalker!MTB popup alert might incorrectly claim to be obtaining from a legislation enforcement institution and will report having located youngster pornography or other illegal information on the device. The alert will similarly contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: F2BE0630
md5: 998d77ec36ff4f18a30801497b4a3941
name: tmpyy97meea
sha1: 4fcee916f618c94caa9d3666110001d5c3fd26e5
sha256: 4158ad6eca8c3087ed221953f7a69d3d40a772c5af415f32e110a46da8a9f8ac
sha512: 896e5aceb020d294e5f5b4e167a3da719ce1e4cae02ddc663ea425b20c523997d023beeba1bcb0461ea7fb498ef1df8fe587bb6c8e0d108f3ca346345c88a27e
ssdeep: 12288:FYqarzSlfVPsO2UsDPltGaRxoFTsvvdVNCffRw4vfWltWnpkLrnBahc0mq8j03nF:V
type: ASCII text, with very long lines, with no line terminators

Version Info:

0: [No Data]

Ransom:PowerShell/NetWalker!MTB also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.Encoder.32031
AegisLab Trojan.PowerShell.Generic.4!c
Arcabit Trojan.Agent.ETBG
Symantec Trojan Horse
TrendMicro-HouseCall Ransom.PS1.NETWALKER.THFBFBO
Avast Other:Malware-gen [Trj]
Kaspersky HEUR:Trojan.PowerShell.Generic
BitDefender Trojan.Agent.ETBG
MicroWorld-eScan Trojan.Agent.ETBG
Ad-Aware Trojan.Agent.ETBG
Emsisoft Trojan.Agent.ETBG (B)
Comodo Malware@#epq9x9u3ds49
TrendMicro Ransom.PS1.NETWALKER.THFBFBO
FireEye Trojan.Agent.ETBG
Sophos Troj/NetWalk-B
Cyren Trojan.VZYL-3
Microsoft Ransom:PowerShell/NetWalker!MTB
ZoneAlarm HEUR:Trojan.PowerShell.Generic
ALYac Trojan.Ransom.Powershell
MAX malware (ai score=87)
Ikarus Trojan-Ransom.NetWalker
GData Trojan.Agent.ETBG
AVG Other:Malware-gen [Trj]
Qihoo-360 virus.powershell.qexvmc.1

How to remove Ransom:PowerShell/NetWalker!MTB 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 Ransom:PowerShell/NetWalker!MTB 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 Ransom:PowerShell/NetWalker!MTB 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: http://gridinsoft.com/products/

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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