Generic PUA EB (PUA)

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

What is Generic PUA EB (PUA) infection?

In this short article you will find about the interpretation of Generic PUA EB (PUA) and also its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom money by a target.

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In the majority of the cases, Generic PUA EB (PUA) ransomware will advise its victims to start funds move for the objective of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s gadget.

Generic PUA EB (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 language used in binary resources: Nepali;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard disk drive — so the victim can no longer use the information;
  • Preventing regular access to the target’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 EB (PUA)

The most regular channels where Generic PUA EB (PUA) 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 repercussion of customer ending up on a source that hosts a malicious software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or stop the gadget from working in a correct fashion – while likewise putting a ransom note that states the demand for the victims to impact the settlement for the purpose of decrypting the papers or recovering the documents system back to the preliminary problem. In many instances, the ransom note will certainly turn up when the customer restarts the PC after the system has currently been damaged.

Generic PUA EB (PUA) distribution channels.

In different corners of the globe, Generic PUA EB (PUA) grows by jumps and also bounds. However, the ransom money notes and also tricks of obtaining the ransom money quantity may differ depending upon specific local (local) settings. The ransom notes and techniques of obtaining the ransom money amount might vary depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s device. The alert then requires the user to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In nations where software application piracy is much less prominent, this method is not as effective for the cyber frauds. Additionally, the Generic PUA EB (PUA) popup alert might falsely declare to be deriving from a police institution and also will report having located kid pornography or various other prohibited data on the gadget.

    Generic PUA EB (PUA) popup alert might incorrectly assert to be acquiring from a regulation enforcement establishment and will certainly report having situated child porn or other unlawful data on the tool. The alert will similarly include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 423E0758
md5: 3a23f339d858b6a7ab80e55b17a62359
name: atx555mx.exe
sha1: 4131bf4362d355287d98aa8abfa4d4565249e56d
sha256: 5f0c8315f2f19ff8a40ba018a4595ca5c25107d2929382b61ad970ad9081e2e8
sha512: db021a01b2d52203e803f1a3b3ff968af66981a2e5ef7b35df0773aeb7a8d62df90dfebf01e78f63d67493c0870b6d010b9656be09f41433baa3c32d5eb9bf69
ssdeep: 12288:sqiNL0Y/eQ2ZaOpTYP+Xjn+sX9eK+ySC:sxNL0Y/ezauYP+FX9t+z
type: PE32 executable (GUI) Intel 80386 system file, for MS Windows

Version Info:

0: [No Data]

Generic PUA EB (PUA) also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.32814037
FireEyeGeneric.mg.3a23f339d858b6a7
CAT-QuickHealRansom.Stop.MP4
McAfeeGenericRXJH-YA!3A23F339D858
AegisLabRiskware.Win32.TorTool.1!c
SangforMalware
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKD.32814037
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.362d35
SymantecML.Attribute.HighConfidence
APEXMalicious
Paloaltogeneric.ml
GDataTrojan.GenericKD.42117995
Kasperskynot-a-virus:NetTool.Win32.TorTool.ama
RisingDownloader.Dofoil!8.322 (TFE:6:qFwI1sROWJO)
Ad-AwareTrojan.GenericKD.32814037
SophosGeneric PUA EB (PUA)
DrWebTrojan.Kronos.21
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Generic.gc
EmsisoftTrojan.GenericKD.42117995 (B)
IkarusRansom.Win32.Shade
CyrenW32/Trojan.JNIZ-0820
WebrootW32.Adware.Installcore
MAXmalware (ai score=85)
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D282AB6B
ZoneAlarmnot-a-virus:NetTool.Win32.TorTool.ama
MicrosoftTrojan:Win32/Dynamer!rfn
AhnLab-V3Trojan/Win32.MalPe.R303789
BitDefenderThetaGen:NN.ZexaF.33550.BCW@a852RDdG
ALYacTrojan.GenericKD.42117995
MalwarebytesTrojan.MalPack.GS
PandaGeneric Malware
ESET-NOD32a variant of Win32/Kryptik.GZMR
SentinelOneDFI – Malicious PE
FortinetW32/GenKryptik.EAFW!tr
AVGFileRepMalware
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360HEUR/QVM10.2.E643.Malware.Gen

How to remove Generic PUA EB (PUA) ransomware?

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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 install-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 EB (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 EB (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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