Generic PUA NC (PUA)

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

What is Generic PUA NC (PUA) infection?

In this post you will find regarding the definition of Generic PUA NC (PUA) as well as its adverse effect on your computer. Such ransomware are a kind of malware that is elaborated by on the internet frauds to require paying the ransom by a victim.

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In the majority of the situations, Generic PUA NC (PUA) ransomware will certainly advise its sufferers to initiate funds transfer for the objective of neutralizing the modifications that the Trojan infection has presented to the sufferer’s gadget.

Generic PUA NC (PUA) Summary

These modifications can be as complies with:

  • 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.
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the sufferer’s disk drive — so the sufferer can no more utilize 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.

Generic PUA NC (PUA)

One of the most common networks where Generic PUA NC (PUA) are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a source that holds a harmful software;

As soon as the Trojan is effectively injected, it will either cipher the information on the victim’s PC or stop the tool from working in a correct fashion – while additionally placing a ransom money note that mentions the requirement for the victims to impact the payment for the purpose of decrypting the papers or recovering the file system back to the initial condition. In the majority of circumstances, the ransom note will turn up when the customer reboots the PC after the system has actually already been harmed.

Generic PUA NC (PUA) circulation channels.

In numerous edges of the globe, Generic PUA NC (PUA) expands by jumps as well as bounds. However, the ransom money notes and methods of extorting the ransom amount might differ depending on certain local (local) settings. The ransom notes and also methods of extorting the ransom money quantity might vary depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications enabled on the victim’s tool. The sharp after that demands the customer to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software piracy is much less prominent, this method is not as reliable for the cyber frauds. Additionally, the Generic PUA NC (PUA) popup alert might wrongly claim to be originating from a police institution and will report having situated kid porn or other prohibited data on the tool.

    Generic PUA NC (PUA) popup alert may wrongly declare to be acquiring from a regulation enforcement institution and will report having located youngster pornography or various other unlawful data on the device. The alert will in a similar way contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: E233C438
md5: f8340fe2ac527fc553dbdd060ff22fbe
name: F8340FE2AC527FC553DBDD060FF22FBE.mlw
sha1: d23b0a7ff5341dfff15665a1c23fd0100ca5a41b
sha256: 8c267ced9788ab32f75d7984c8068b8f3f9b06a5586a3cb3291253a8898b390b
sha512: f1568bd1d8df829db9d6e76236b5c259a3ef8c6e5d1e8615f9d25d18c4f9048931579781779130d9dd6c1cc98e2e024a399ef39c1254f3c14ae1f54bc82a219a
ssdeep: 12288:zir+5nBANTLoID/Pt4ZYd6dtnLzEekxkOCiYC+ufb4YijYqyUmfdFwHEP:zir+fgoID3OoAxLIekvVhfRijI9lCHE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2018
FileVersion: 1.0.0.1
CompanyName: TODO:
ProductName: TODO:
ProductVersion: 1.0.0.1
FileDescription: TODO:
Translation: 0x0419 0x04b0

Generic PUA NC (PUA) also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00528e801 )
Elasticmalicious (high confidence)
DrWebTrojan.Vittalia.14640
CynetMalicious (score: 100)
CAT-QuickHealSWB.Prepscram.JK6
ALYacGen:Variant.Ransom.GandCrab.1787
CylanceUnsafe
ZillyaAdware.Generic.Win32.76519
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_70% (D)
AlibabaTrojan:Win32/Kryptik.f638d33c
K7GWTrojan ( 005267551 )
Cybereasonmalicious.2ac527
CyrenW32/S-ec8ab2eb!Eldorado
SymantecAdware.IstartSurf
ESET-NOD32a variant of Win32/Kryptik.GCWT
APEXMalicious
AvastFileRepMetagen [Adw]
Kasperskynot-a-virus:HEUR:AdWare.Win32.Generic
BitDefenderGen:Variant.Ransom.GandCrab.1787
NANO-AntivirusRiskware.Win32.Vittalia.eyetyg
SUPERAntiSpywareRansom.GandCrab/Variant
MicroWorld-eScanGen:Variant.Ransom.GandCrab.1787
TencentWin32.Adware.Generic.Ecjs
Ad-AwareGen:Variant.Ransom.GandCrab.1787
SophosGeneric PUA NC (PUA)
ComodoApplication.Win32.IStartSurf.BS@7lng48
BitDefenderThetaGen:NN.ZexaF.34670.pz0@aSKZhHbk
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.tt
FireEyeGeneric.mg.f8340fe2ac527fc5
EmsisoftGen:Variant.Ransom.GandCrab.1787 (B)
SentinelOneStatic AI – Malicious PE
JiangminAdWare.Generic.mdax
AviraHEUR/AGEN.1103309
eGambitUnsafe.AI_Score_100%
MicrosoftSoftwareBundler:Win32/Prepscram
AegisLabAdware.Win32.Generic.2!c
ZoneAlarmnot-a-virus:HEUR:AdWare.Win32.Generic
GDataGen:Variant.Ransom.GandCrab.1787
AhnLab-V3PUP/Win32.IStartSurf.R220101
Acronissuspicious
McAfeePacked-ZA!F8340FE2AC52
MAXmalware (ai score=80)
VBA32Trojan.Vittalia
MalwarebytesAdware.IStartSurf
PandaTrj/Genetic.gen
RisingTrojan.Kryptik!1.B032 (CLOUD)
YandexTrojan.GenAsa!FWPhcEJUJ/g
IkarusTrojan.Kryptik
FortinetW32/Kryptik.FXGV!tr
AVGFileRepMetagen [Adw]
Paloaltogeneric.ml
Qihoo-360Win32/Virus.Adware.b51

How to remove Generic PUA NC (PUA) 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 Generic PUA NC (PUA) 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 Generic PUA NC (PUA) 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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