Generic PUA BC (PUA)

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

What is Generic PUA BC (PUA) infection?

In this short article you will certainly find regarding the definition of Generic PUA BC (PUA) and also its negative influence on your computer. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom by a target.

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In the majority of the instances, Generic PUA BC (PUA) infection will instruct its targets to start funds transfer for the purpose of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s device.

Generic PUA BC (PUA) Summary

These alterations 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 papers located on the sufferer’s disk drive — so the victim can no longer utilize the information;
  • Preventing routine access to the victim’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
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 BC (PUA)

One of the most regular channels through which Generic PUA BC (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 consequence of user winding up on a source that hosts a malicious software program;

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or protect against the tool from operating in an appropriate way – while also putting a ransom money note that states the need for the targets to impact the settlement for the objective of decrypting the records or bring back the documents system back to the initial problem. In the majority of circumstances, the ransom money note will turn up when the customer restarts the COMPUTER after the system has actually already been damaged.

Generic PUA BC (PUA) distribution networks.

In various corners of the globe, Generic PUA BC (PUA) grows by jumps as well as bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money quantity might differ depending upon specific local (regional) setups. The ransom notes and also methods of extorting the ransom money quantity may differ depending on certain local (regional) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the victim’s device. The alert then demands the individual to pay the ransom.

    Faulty statements regarding illegal material.

    In nations where software program piracy is less popular, this method is not as effective for the cyber scams. Alternatively, the Generic PUA BC (PUA) popup alert may wrongly assert to be originating from a police organization and also will certainly report having situated child porn or various other illegal data on the gadget.

    Generic PUA BC (PUA) popup alert might incorrectly declare to be obtaining from a law enforcement establishment and will report having situated kid porn or various other prohibited information on the device. The alert will in a similar way have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 190721ED
md5: 5527997f9c6cd9e5a90c9d43cf6ff10d
name: 5527997F9C6CD9E5A90C9D43CF6FF10D.mlw
sha1: 127fbbf1bbc61ad8b5088dbe2baa386c9e09e879
sha256: 95fe435a8fbc2050df038f8a334dc456fd2eb02f19bfe48445ae84ccc6f1cc53
sha512: 430186f32cfb5f3c3e89e03faeffd4c34f81359521a85c5ee3b3c03fc3fe0c653e32392e1811d61f07fe15ba217c87022e5e94126a5851e17d1260d8eaa3c173
ssdeep: 12288:Emi6xoHC/PpAVEQOhLK5ZGKOQZG4ld9pkF2RYe35bggT:Ji6xoUPpZPhLKCxQZxb9pkI3i
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 BC (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_80% (D)
Alibaba Trojan:Win32/Kryptik.b0ee9f1e
K7GW Trojan ( 005267551 )
Cybereason malicious.f9c6cd
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.eyeown
SUPERAntiSpyware Ransom.GandCrab/Variant
MicroWorld-eScan Gen:Variant.Ransom.GandCrab.1787
Tencent Win32.Adware.Generic.Stkh
Ad-Aware Gen:Variant.Ransom.GandCrab.1787
Sophos Generic PUA BC (PUA)
Comodo Application.Win32.IStartSurf.BS@7lng48
F-Secure Heuristic.HEUR/AGEN.1103309
BitDefenderTheta Gen:NN.ZexaF.34684.pz0@aSKZhHbk
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.AdwareInstCap.tt
FireEye Generic.mg.5527997f9c6cd9e5
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
ZoneAlarm not-a-virus:HEUR:AdWare.Win32.Generic
GData Gen:Variant.Ransom.GandCrab.1787
AhnLab-V3 PUP/Win32.IStartSurf.R220101
Acronis suspicious
McAfee Packed-ZA!5527997F9C6C
MAX malware (ai score=83)
VBA32 Trojan.Vittalia
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

How to remove Generic PUA BC (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 BC (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 BC (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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