Ransom:PowerShell/Poshkod.D

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

What is Ransom:PowerShell/Poshkod.D infection?

In this article you will certainly find about the meaning of Ransom:PowerShell/Poshkod.D and its adverse impact on your computer. Such ransomware are a form of malware that is clarified by on the internet frauds to require paying the ransom by a target.

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Most of the cases, Ransom:PowerShell/Poshkod.D infection will instruct its targets to launch funds transfer for the objective of neutralizing the changes that the Trojan infection has presented to the target’s tool.

Ransom:PowerShell/Poshkod.D Summary

These alterations can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • A process attempted to delay the analysis task by a long amount of time.;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Creates a known CryptoWall ransomware decryption instruction / key file.;
  • Ciphering the records situated on the sufferer’s hard drive — so the victim can no more use the data;
  • Preventing normal 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.

Ransom:PowerShell/Poshkod.D

The most typical channels where Ransom:PowerShell/Poshkod.D Ransomware Trojans are injected are:

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

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or avoid the device from functioning in an appropriate manner – while also positioning a ransom note that points out the need for the victims to effect the payment for the objective of decrypting the files or bring back the documents system back to the first condition. In the majority of instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Ransom:PowerShell/Poshkod.D circulation networks.

In numerous edges of the world, Ransom:PowerShell/Poshkod.D expands by jumps and bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom quantity might vary depending upon certain neighborhood (local) settings. The ransom notes and also tricks of obtaining the ransom quantity might vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then requires the individual to pay the ransom.

    Faulty statements regarding illegal web content.

    In nations where software program piracy is less preferred, this technique is not as reliable for the cyber scams. Additionally, the Ransom:PowerShell/Poshkod.D popup alert might incorrectly declare to be stemming from a police organization and also will report having located child porn or various other prohibited information on the gadget.

    Ransom:PowerShell/Poshkod.D popup alert might falsely assert to be acquiring from a regulation enforcement institution and will certainly report having situated child pornography or other unlawful information on the gadget. The alert will similarly have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 473B89DD
md5: d9072be1685ce2838811ed07410ccfb1
name: D9072BE1685CE2838811ED07410CCFB1.mlw
sha1: 8ea85fb73eef016ff3bac60c0056e4b89efa0ceb
sha256: 0b68b3788578c833877f14bb08282650fb650116a401ad7830ce49864f69dfbf
sha512: eedad254adc18e3684a1c9d7c61ffe18e8d36424614ea4dec48a9875120328d0fd2d34f4790929ede0ae3fb6cbd28a507cc670d0461159c065bb386866f6e2f2
ssdeep: 6144:hKhhJS1IJyE/HBXw/KWM0QZ/oQt92Y2Et45:hKhhGIJyE/Hhwyr0+/y
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright:
Assembly Version: 1.0.0.0
InternalName: update.exe
FileVersion: 1.0.0.0
ProductVersion: 1.0.0.0
FileDescription: chrupdate
OriginalFilename: update.exe
Translation: 0x0000 0x04b0

Ransom:PowerShell/Poshkod.D also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0049ca691 )
Cynet Malicious (score: 99)
Cylance Unsafe
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Filecoder.8a6cf2a4
K7GW Trojan ( 0049ca691 )
Symantec Ransom.PowerWare
ESET-NOD32 Win32/Filecoder.CS
APEX Malicious
Avast VBS:Ransom-B [Trj]
ClamAV Win.Trojan.PoshCryptolocker-1
Kaspersky Trojan-Ransom.Script.Agent.b
Tencent Malware.Win32.Gencirc.114cd04c
Sophos Mal/Generic-R
Comodo Malware@#2ii6vsl3940yj
BitDefenderTheta Gen:NN.ZemsilF.34670.nm0@au21Gc
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
FireEye Generic.mg.d9072be1685ce283
SentinelOne Static AI – Malicious PE
Avira TR/FileCoder.pmxez
Antiy-AVL Trojan/Win32.AGeneric
Microsoft Ransom:PowerShell/Poshkod.D
AegisLab Trojan.Multi.Generic.4!c
ZoneAlarm Trojan-Ransom.Script.Agent.b
AhnLab-V3 Trojan/Win32.Gen
McAfee Artemis!D9072BE1685C
MAX malware (ai score=100)
Panda Trj/CI.A
Rising Ransom.Poshkod!8.19BA (CLOUD)
Ikarus Worm.MSIL.Krypt
AVG VBS:Ransom-B [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Filecoder.HgIASOoA

How to remove Ransom:PowerShell/Poshkod.D 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/Poshkod.D 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/Poshkod.D 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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