Generic PUA KA (PUA)

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

What is Generic PUA KA (PUA) infection?

In this short article you will locate about the meaning of Generic PUA KA (PUA) as well as its negative influence on your computer system. Such ransomware are a form of malware that is clarified by on-line fraudulences to demand paying the ransom by a sufferer.

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Most of the instances, Generic PUA KA (PUA) virus will instruct its sufferers to initiate funds move for the objective of reducing the effects of the changes that the Trojan infection has actually presented to the victim’s device.

Generic PUA KA (PUA) Summary

These alterations can be as follows:

  • 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 files located on the victim’s hard disk drive — so the sufferer can no longer use the information;
  • Preventing regular access 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.

Generic PUA KA (PUA)

One of the most regular channels where Generic PUA KA (PUA) Ransomware Trojans are injected 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 consequence of customer ending up on a resource that hosts a malicious software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s computer or prevent the tool from working in a proper manner – while also putting a ransom money note that discusses the demand for the targets to impact the repayment for the objective of decrypting the papers or bring back the documents system back to the first problem. In most circumstances, the ransom note will show up when the customer reboots the COMPUTER after the system has currently been harmed.

Generic PUA KA (PUA) distribution networks.

In various edges of the globe, Generic PUA KA (PUA) expands by jumps as well as bounds. Nonetheless, the ransom money notes as well as methods of extorting the ransom amount might vary depending on specific neighborhood (local) setups. The ransom money notes and techniques of extorting the ransom money quantity might vary depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications made it possible for on the target’s tool. The sharp after that demands the user to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In countries where software piracy is less preferred, this method is not as reliable for the cyber scams. Additionally, the Generic PUA KA (PUA) popup alert may falsely declare to be originating from a police organization and also will certainly report having situated kid pornography or various other unlawful information on the gadget.

    Generic PUA KA (PUA) popup alert may incorrectly assert to be acquiring from a legislation enforcement organization as well as will certainly report having located kid porn or various other prohibited information on the device. The alert will similarly include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: FC2DFB75
md5: c4125dc2d504f9b908240da0e617d067
name: C4125DC2D504F9B908240DA0E617D067.mlw
sha1: a0f7d50ae57f72102e9c6421eda01d4fc5022f54
sha256: 9110e42a1e67fb8802b5f637f3235231fd1907a734230ffbc74db13905dfad78
sha512: 8cb524aa363b6b5cd0d52c362b8f2f8d9947806a17a2c8a052a68c89a2d118e45638d34dd70a5f7a033d30e24eac3d15511e6c001348b4947983aa2e28ca973c
ssdeep: 12288:WiJiK/rPbFcNBU9PxOdR54/sPCFehs6CgBOGMFeyGy7R:WiJJrPbG+xQdQkqcpBJMEy
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 KA (PUA) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Vittalia.14640
CAT-QuickHeal SWB.Prepscram.JK6
McAfee Packed-ZA!C4125DC2D504
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Kryptik.272fcbbb
K7GW Trojan ( 005267551 )
K7AntiVirus Trojan ( 00528e801 )
Cyren W32/S-ec8ab2eb!Eldorado
Symantec Adware.IstartSurf
ESET-NOD32 a variant of Win32/Kryptik.GCWT
APEX Malicious
Avast FileRepMetagen [Malware]
Cynet Malicious (score: 100)
Kaspersky not-a-virus:HEUR:AdWare.Win32.Generic
BitDefender Gen:Variant.Ransom.GandCrab.1787
NANO-Antivirus Riskware.Win32.Vittalia.eyeuoc
SUPERAntiSpyware Ransom.GandCrab/Variant
MicroWorld-eScan Gen:Variant.Ransom.GandCrab.1787
Tencent Win32.Adware.Generic.Svgs
Ad-Aware Gen:Variant.Ransom.GandCrab.1787
Sophos Generic PUA KA (PUA)
Comodo Application.Win32.IStartSurf.BS@7lng48
BitDefenderTheta Gen:NN.ZexaF.34678.pz0@aSKZhHbk
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.tt
FireEye Generic.mg.c4125dc2d504f9b9
Emsisoft Gen:Variant.Ransom.GandCrab.1787 (B)
SentinelOne Static AI – Malicious PE
Jiangmin AdWare.Generic.mdax
Avira HEUR/AGEN.1103309
eGambit Unsafe.AI_Score_99%
Microsoft SoftwareBundler:Win32/Prepscram
Arcabit Trojan.Ransom.GandCrab.D6FB
AegisLab Adware.Win32.Generic.2!c
GData Gen:Variant.Ransom.GandCrab.1787
AhnLab-V3 PUP/Win32.IStartSurf.R220101
Acronis suspicious
VBA32 Trojan.Vittalia
MAX malware (ai score=100)
Malwarebytes Adware.IStartSurf
Panda Trj/Genetic.gen
Rising Trojan.Kryptik!1.B032 (CLOUD)
Yandex Trojan.GenAsa!FWPhcEJUJ/g
Ikarus Trojan.Kryptik
Fortinet W32/Kryptik.FXGV!tr
AVG FileRepMetagen [Malware]
Paloalto generic.ml
Qihoo-360 Win32/Adware.Generic.HwoCEpsA

How to remove Generic PUA KA (PUA) 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 Generic PUA KA (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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Full version of GridinSoft Anti-Malware

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