Generic PUA KH (PUA)

Written by Robert Bailey

What is Generic PUA KH (PUA) infection?

In this article you will certainly discover about the meaning of Generic PUA KH (PUA) and also its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom money by a target.

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In the majority of the instances, Generic PUA KH (PUA) infection will certainly advise its targets to start funds transfer for the objective of neutralizing the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Generic PUA KH (PUA) Summary

These adjustments 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.
  • Injection (inter-process);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Ciphering the files found on the victim’s disk drive — so the victim can no more use the information;
  • Preventing routine accessibility 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.

Generic PUA KH (PUA)

The most typical channels whereby Generic PUA KH (PUA) Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of individual ending up on a source that organizes a destructive software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or prevent the gadget from functioning in a correct way – while also putting a ransom money note that points out the demand for the sufferers to effect the repayment for the objective of decrypting the papers or recovering the documents system back to the first condition. In most instances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually already been harmed.

Generic PUA KH (PUA) distribution networks.

In various corners of the globe, Generic PUA KH (PUA) grows by leaps and also bounds. However, the ransom money notes as well as tricks of obtaining the ransom money quantity may vary depending on specific local (regional) settings. The ransom notes and also techniques of extorting the ransom money amount might differ depending on certain regional (local) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the individual to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In countries where software program piracy is much less prominent, this method is not as efficient for the cyber scams. Additionally, the Generic PUA KH (PUA) popup alert might falsely claim to be originating from a police establishment and will certainly report having situated youngster porn or other illegal data on the gadget.

    Generic PUA KH (PUA) popup alert might falsely declare to be deriving from a regulation enforcement organization and will report having located child pornography or various other unlawful data on the device. The alert will likewise consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 03786C03
md5: ac1028b3be88ebe4712463045f0df45a
name: AC1028B3BE88EBE4712463045F0DF45A.mlw
sha1: a7a1959866a093a026c4fc8c05ea9ede0dfd50c0
sha256: 704c08b99d942422ec41d88682b3695fbdfe3bdd4360ee0c498399287d13c485
sha512: 508df37e248bc91275f9971a5869fa026e4910e91d21c9c4f133831d9469f3bb049ed7a5014e1b0c7c1ecd2cf594e777550728c383166a71f0891fea85b81f49
ssdeep: 24576:bBWuJgWL4y3LOEeZlqmuBYKq7I6Khyk0ti:8TW0SeZlqnLSKhj08
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion: 22.11.56
CompanyName: N4pOjcNT4w0ZhsaXotnR
Comments: This installation was built with Inno Setup.
ProductName: N4pOjcNT4w0ZhsaXotnR
ProductVersion: 22.11.56
FileDescription: N4pOjcNT4w0ZhsaXotnR
Translation: 0x0000 0x04b0

Generic PUA KH (PUA) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005301de1 )
Elastic malicious (high confidence)
DrWeb Trojan.BPlug.3323
Cynet Malicious (score: 99)
McAfee PUP-GZB
Cylance Unsafe
Sangfor Trojan.Win32.ExtenBro.8
K7GW Trojan ( 005301de1 )
Cybereason malicious.3be88e
Cyren W32/Zusy.FM.gen!Eldorado
Symantec Ransom.Wannacry
ESET-NOD32 multiple detections
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
Kaspersky not-a-virus:HEUR:AdWare.Win32.ExtInstaller.gen
BitDefender Trojan.GenericKDZ.73211
NANO-Antivirus Trojan.Win32.ExtenBro.fdppmj
SUPERAntiSpyware Adware.ExtenBro/Variant
MicroWorld-eScan Trojan.GenericKDZ.73211
Tencent Win32.Trojan.Razy.Lmke
Sophos Generic PUA KH (PUA)
Comodo Malware@#t0pcybjp4rvy
BitDefenderTheta Gen:NN.ZedlaF.34678.Lu8@aerq5ZbO
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition PUP-GZB
FireEye Trojan.GenericKDZ.73211
Emsisoft Trojan.GenericKDZ.73211 (B)
Webroot W32.Malware.gen
Avira HEUR/AGEN.1109568
Microsoft Trojan:Win32/Ditertag.A
ZoneAlarm not-a-virus:HEUR:AdWare.Script.Generic
GData Trojan.GenericKD.34154457
MAX malware (ai score=96)
Malwarebytes Adware.ExtenBro
Panda Trj/CI.A
Rising Trojan.ExtenBro!8.51 (CLOUD)
Ikarus Trojan.Win32.Extenbro
Fortinet W32/ExtenBro.EL!tr
AVG Win32:MalwareX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Adware.Generic.HgIASRQA

How to remove Generic PUA KH (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 KH (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 KH (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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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