Generic PUA FN (PUA)

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

What is Generic PUA FN (PUA) infection?

In this short article you will discover regarding the meaning of Generic PUA FN (PUA) and also its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, Generic PUA FN (PUA) virus will advise its sufferers to start funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Generic PUA FN (PUA) Summary

These modifications 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.
  • 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 target’s hard disk drive — so the victim can no longer use the data;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Gen:Variant.Ransom.GandCrab.1787
a.tomx.xyz Gen:Variant.Ransom.GandCrab.1787
lamp.troublerifle.bid Gen:Variant.Ransom.GandCrab.1787
light.representativeglass.bid Gen:Variant.Ransom.GandCrab.1787

Generic PUA FN (PUA)

The most regular networks through which Generic PUA FN (PUA) Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a source that hosts a malicious software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s computer or protect against the gadget from functioning in a correct way – while likewise positioning a ransom money note that discusses the requirement for the victims to impact the payment for the purpose of decrypting the files or bring back the file system back to the preliminary condition. In most circumstances, the ransom note will certainly show up when the client reboots the PC after the system has actually currently been harmed.

Generic PUA FN (PUA) distribution channels.

In different corners of the world, Generic PUA FN (PUA) expands by jumps and bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom quantity may differ depending on particular regional (regional) setups. The ransom money notes and also tricks of extorting the ransom amount may differ depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In certain areas, the Trojans typically wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s tool. The sharp then requires the customer to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In countries where software piracy is much less preferred, this technique is not as efficient for the cyber frauds. Conversely, the Generic PUA FN (PUA) popup alert might wrongly declare to be deriving from a police institution as well as will certainly report having located child pornography or various other unlawful data on the gadget.

    Generic PUA FN (PUA) popup alert may wrongly declare to be obtaining from a law enforcement organization as well as will report having situated child porn or other illegal information on the device. The alert will likewise have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: C730CE67
md5: 4a7e632cf6735f113f240d8a2b4f907b
name: 4A7E632CF6735F113F240D8A2B4F907B.mlw
sha1: 5dc96e1a16aae29c7dcbbf8fe183cae56aa8d11a
sha256: 55ab8b9fcd8a75248854454a6d88b3982b02f747fbc750d25265010015e78313
sha512: 0d41fb3f0cb6c640b74a1a75dc0c25f49dd714d4213ff8193d80cb345c4715ba5937a1f6f0e147fe33d22540d83081218e784094a70ef6944082d9b61c084b71
ssdeep: 12288:Yicierr0tjVWOvM6vzsHXeh8RG0TYG0MJ7cgS1+S9N45okygKdpn:YicdrwrWOvMkQulGH7cl1j8Knd
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 FN (PUA) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00528e801 )
Elastic malicious (high confidence)
DrWeb Trojan.Vittalia.14640
Cynet Malicious (score: 100)
CAT-QuickHeal SWB.Prepscram.JK6
ALYac Gen:Variant.Ransom.GandCrab.1787
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
K7GW Trojan ( 005267551 )
Cybereason malicious.cf6735
Cyren W32/S-ec8ab2eb!Eldorado
Symantec Adware.IstartSurf
ESET-NOD32 a variant of Win32/Kryptik.GCWT
APEX Malicious
Avast FileRepMetagen [Malware]
Kaspersky not-a-virus:HEUR:AdWare.Win32.Generic
BitDefender Gen:Variant.Ransom.GandCrab.1787
NANO-Antivirus Riskware.Win32.Vittalia.eycniu
SUPERAntiSpyware Ransom.GandCrab/Variant
MicroWorld-eScan Gen:Variant.Ransom.GandCrab.1787
Tencent Win32.Adware.Generic.Pegk
Ad-Aware Gen:Variant.Ransom.GandCrab.1787
Sophos Generic PUA FN (PUA)
Comodo Application.Win32.IStartSurf.BS@7lng48
F-Secure Heuristic.HEUR/AGEN.1103309
BitDefenderTheta Gen:NN.ZexaF.34692.pz0@aSKZhHbk
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.tt
FireEye Generic.mg.4a7e632cf6735f11
Emsisoft Gen:Variant.Ransom.GandCrab.1787 (B)
SentinelOne Static AI – Malicious PE
Jiangmin AdWare.Generic.mdax
Avira HEUR/AGEN.1103309
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.246AF5A
Microsoft SoftwareBundler:Win32/Prepscram
GData Gen:Variant.Ransom.GandCrab.1787
AhnLab-V3 PUP/Win32.IStartSurf.R220101
Acronis suspicious
McAfee Packed-ZA!4A7E632CF673
MAX malware (ai score=82)
VBA32 Trojan.Vittalia
Malwarebytes Adware.IStartSurf
Panda Trj/Genetic.gen
Rising Trojan.Kryptik!8.8 (CLOUD)
Yandex Trojan.GenAsa!FWPhcEJUJ/g
Ikarus Trojan.Kryptik
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.FXGV!tr
AVG FileRepMetagen [Malware]
Paloalto generic.ml

How to remove Generic PUA FN (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 FN (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 FN (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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