Generic PUA NA (PUA)

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

What is Generic PUA NA (PUA) infection?

In this short article you will certainly discover regarding the meaning of Generic PUA NA (PUA) as well as its negative effect on your computer system. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a victim.

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Most of the situations, Generic PUA NA (PUA) virus will certainly instruct its sufferers to initiate funds transfer for the objective of counteracting the amendments that the Trojan infection has presented to the victim’s device.

Generic PUA NA (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 papers located on the sufferer’s hard disk — so the target can no more use the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
lamp.troublerifle.bidGen:Variant.Ransom.GandCrab.1787
light.representativeglass.bidGen:Variant.Ransom.GandCrab.1787

Generic PUA NA (PUA)

The most normal networks through which Generic PUA NA (PUA) Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of user winding up on a source that holds a destructive software;

As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s PC or prevent the tool from operating in a proper manner – while also putting a ransom money note that mentions the need for the targets to effect the repayment for the purpose of decrypting the records or recovering the documents system back to the first problem. In many instances, the ransom money note will turn up when the customer restarts the COMPUTER after the system has actually already been damaged.

Generic PUA NA (PUA) distribution channels.

In numerous corners of the globe, Generic PUA NA (PUA) grows by leaps as well as bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom quantity might vary relying on certain regional (local) settings. The ransom money notes and also methods of extorting the ransom money amount might vary depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications allowed on the victim’s tool. The sharp then demands the user to pay the ransom money.

    Faulty declarations regarding prohibited content.

    In countries where software program piracy is less popular, this approach is not as efficient for the cyber frauds. Additionally, the Generic PUA NA (PUA) popup alert might incorrectly assert to be deriving from a police institution and also will report having located child pornography or various other unlawful information on the device.

    Generic PUA NA (PUA) popup alert might falsely assert to be obtaining from a law enforcement institution and will certainly report having situated kid pornography or other illegal information on the tool. The alert will similarly have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: FC402F53
md5: a3386cac91097d4b2d241ef8df7cb322
name: A3386CAC91097D4B2D241EF8DF7CB322.mlw
sha1: d000500004ab4b60e8a72e9b3b105cb12320f88d
sha256: 48f6b25e4ba82a83f66471c4c9323ae11815bc8e31fd29125a1f069f8a6aac4e
sha512: 64e99581b82956fd94267468e0a2a46994dbc5301a6bc0f32c941b7b5cfb11e05785bc078219ab08f97fe51b487b470cdab784dd5a842986c573a168d23501bb
ssdeep: 12288:uiRA6zvrmi28n/DNm2SGrgDMLYGhEueBuHYRF+1rajf:uiRNvyMn/DNbSGNsRz6Yzgr
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 NA (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.Win32.79863
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_70% (D)
AlibabaTrojan:Win32/Kryptik.55e6e693
K7GWTrojan ( 005267551 )
Cybereasonmalicious.c91097
CyrenW32/S-ec8ab2eb!Eldorado
SymantecAdware.IstartSurf
ESET-NOD32a variant of Win32/Kryptik.GCWT
APEXMalicious
AvastFileRepMetagen [Malware]
Kasperskynot-a-virus:HEUR:AdWare.Win32.Generic
BitDefenderGen:Variant.Ransom.GandCrab.1787
NANO-AntivirusRiskware.Win32.Vittalia.eyepef
SUPERAntiSpywareRansom.GandCrab/Variant
MicroWorld-eScanGen:Variant.Ransom.GandCrab.1787
TencentWin32.Adware.Generic.Ljto
Ad-AwareGen:Variant.Ransom.GandCrab.1787
SophosGeneric PUA NA (PUA)
ComodoApplication.Win32.IStartSurf.BS@7lng48
BitDefenderThetaGen:NN.ZexaF.34692.pz0@aSKZhHbk
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.tt
FireEyeGeneric.mg.a3386cac91097d4b
EmsisoftGen:Variant.Ransom.GandCrab.1787 (B)
SentinelOneStatic AI – Malicious PE
JiangminAdWare.Generic.mdax
AviraHEUR/AGEN.1103309
eGambitUnsafe.AI_Score_100%
MicrosoftSoftwareBundler:Win32/Prepscram
GDataGen:Variant.Ransom.GandCrab.1787
AhnLab-V3PUP/Win32.IStartSurf.R220101
Acronissuspicious
McAfeePacked-ZA!A3386CAC9109
MAXmalware (ai score=100)
VBA32Trojan.Vittalia
MalwarebytesAdware.IStartSurf
PandaTrj/Genetic.gen
RisingTrojan.Kryptik!1.B032 (CLOUD)
YandexTrojan.GenAsa!FWPhcEJUJ/g
IkarusTrojan.Kryptik
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.FXGV!tr
AVGFileRepMetagen [Malware]
Paloaltogeneric.ml

How to remove Generic PUA NA (PUA) virus?

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 NA (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:

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If the guide doesn’t help you to remove Generic PUA NA (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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