Generic PUA CA (PUA)

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

What is Generic PUA CA (PUA) infection?

In this article you will certainly locate concerning the interpretation of Generic PUA CA (PUA) and also its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by online scams to demand paying the ransom by a victim.

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Most of the instances, Generic PUA CA (PUA) ransomware will instruct its victims to launch funds transfer for the function of counteracting the modifications that the Trojan infection has actually introduced to the victim’s gadget.

Generic PUA CA (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 records located on the victim’s hard disk — so the target can no longer make use of the data;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
lamp.troublerifle.bid Gen:Variant.Ransom.GandCrab.1787
light.representativeglass.bid Gen:Variant.Ransom.GandCrab.1787

Generic PUA CA (PUA)

One of the most common channels through which Generic PUA CA (PUA) Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of individual winding 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 target’s PC or stop the device from operating in a correct manner – while also placing a ransom money note that states the need for the sufferers to effect the repayment for the function of decrypting the records or restoring the data system back to the preliminary condition. In many instances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has currently been damaged.

Generic PUA CA (PUA) circulation channels.

In different corners of the globe, Generic PUA CA (PUA) grows by jumps as well as bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom quantity might vary relying on specific regional (local) setups. The ransom notes as well as methods of extorting the ransom amount might differ depending on particular neighborhood (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having actually detected some unlicensed applications allowed on the victim’s device. The sharp then demands the user to pay the ransom.

    Faulty declarations about unlawful material.

    In nations where software program piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Conversely, the Generic PUA CA (PUA) popup alert might wrongly assert to be deriving from a law enforcement organization and will report having located youngster porn or other prohibited data on the gadget.

    Generic PUA CA (PUA) popup alert might wrongly assert to be obtaining from a law enforcement institution as well as will certainly report having situated youngster pornography or various other prohibited data on the tool. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 35FDA203
md5: 2321ce08c05f1c8da698d14d04f256e3
name: 2321CE08C05F1C8DA698D14D04F256E3.mlw
sha1: 20dc6b962d4cce942347f7a27d3f1caabb8f76fc
sha256: 503a66c5a39e43d74c0efe8edf4a10405678893ba2ce8725a5071664369b8687
sha512: d80d75b28e0cbe51682c92363cd5756bbd9c27277f6d2235326573317e6e480d1b250145e28f1051f012b2e7c7714ba6deff125489688febff21b9765973f75c
ssdeep: 12288:ZLiiKmNZlcS6FXv/xoRrnSZd3usJ/Kdo6U20fab:Vii5ZSS6Ff/xcnkQYw
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 CA (PUA) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Vittalia.14640
MicroWorld-eScan Gen:Variant.Ransom.GandCrab.1787
FireEye Generic.mg.2321ce08c05f1c8d
CAT-QuickHeal SWB.Prepscram.JK6
Qihoo-360 Win32/Trojan.177
ALYac Gen:Variant.Ransom.GandCrab.1787
Cylance Unsafe
VIPRE Adware.Win32.StartSurf
AegisLab Adware.Win32.Generic.2!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00528e801 )
BitDefender Gen:Variant.Ransom.GandCrab.1787
K7GW Trojan ( 005267551 )
CrowdStrike win/malicious_confidence_70% (D)
BitDefenderTheta Gen:NN.ZexaF.34608.pz0@aSKZhHbk
Cyren W32/S-ec8ab2eb!Eldorado
Symantec Adware.IstartSurf
APEX Malicious
Paloalto generic.ml
Kaspersky not-a-virus:HEUR:AdWare.Win32.Generic
Alibaba Trojan:Win32/Kryptik.b8fea6ae
NANO-Antivirus Riskware.Win32.StartSurf.exyqtw
Avast FileRepMetagen [Malware]
Rising Trojan.Kryptik!1.B032 (CLOUD)
Ad-Aware Gen:Variant.Ransom.GandCrab.1787
Emsisoft Gen:Variant.Ransom.GandCrab.1787 (B)
Comodo Application.Win32.IStartSurf.BS@7lng48
F-Secure Heuristic.HEUR/AGEN.1103309
Zillya Adware.StartSurf.Win32.40895
McAfee-GW-Edition BehavesLike.Win32.Generic.tt
Sophos Generic PUA CA (PUA)
Ikarus Trojan.Kryptik
Jiangmin AdWare.Generic.mdax
Avira HEUR/AGEN.1103309
Antiy-AVL GrayWare[AdWare]/Win32.StartSurf
Microsoft SoftwareBundler:Win32/Prepscram
Arcabit Trojan.Ransom.GandCrab.D6FB
SUPERAntiSpyware Ransom.GandCrab/Variant
ZoneAlarm not-a-virus:HEUR:AdWare.Win32.Generic
GData Gen:Variant.Ransom.GandCrab.1787
Cynet Malicious (score: 100)
AhnLab-V3 PUP/Win32.IStartSurf.R220101
Acronis suspicious
McAfee Packed-ZA!2321CE08C05F
MAX malware (ai score=97)
VBA32 Trojan.Vittalia
Malwarebytes Adware.IStartSurf
ESET-NOD32 a variant of Win32/Kryptik.GCWT
Tencent Win32.Adware.Generic.Hnun
Yandex Trojan.GenAsa!FWPhcEJUJ/g
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.FXGV!tr
AVG FileRepMetagen [Malware]
Cybereason malicious.8c05f1
Panda Trj/Genetic.gen

How to remove Generic PUA CA (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 CA (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 CA (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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