Win32/Adware.HPDefender.ANS

Written by Robert Bailey

What is Win32/Adware.HPDefender.ANS infection?

In this post you will certainly discover concerning the interpretation of Win32/Adware.HPDefender.ANS and also its negative impact on your computer system. Such ransomware are a kind of malware that is clarified by online frauds to require paying the ransom money by a victim.

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In the majority of the cases, Win32/Adware.HPDefender.ANS infection will instruct its targets to start funds move for the function of reducing the effects of the changes that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Adware.HPDefender.ANS Summary

These modifications can be as complies with:

  • A process attempted to delay the analysis task.;
  • 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.
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • 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 records located on the victim’s hard drive — so the target can no more utilize the information;
  • Preventing normal accessibility 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.

Win32/Adware.HPDefender.ANS

One of the most normal channels where Win32/Adware.HPDefender.ANS Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of individual winding up on a source that organizes a harmful software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s computer or protect against the gadget from operating in a proper manner – while also putting a ransom money note that points out the requirement for the targets to effect the settlement for the function of decrypting the records or recovering the data system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly come up when the customer reboots the PC after the system has currently been harmed.

Win32/Adware.HPDefender.ANS distribution networks.

In different edges of the globe, Win32/Adware.HPDefender.ANS grows by jumps as well as bounds. However, the ransom money notes and methods of extorting the ransom money quantity may vary relying on specific regional (local) settings. The ransom money notes and also tricks of extorting the ransom quantity might vary depending on certain local (local) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the victim’s device. The alert after that demands the customer to pay the ransom.

    Faulty statements concerning illegal web content.

    In nations where software application piracy is less preferred, this approach is not as effective for the cyber frauds. Alternatively, the Win32/Adware.HPDefender.ANS popup alert may wrongly assert to be stemming from a law enforcement organization and will certainly report having located child pornography or various other prohibited data on the tool.

    Win32/Adware.HPDefender.ANS popup alert might incorrectly assert to be acquiring from a regulation enforcement institution as well as will report having situated child porn or other unlawful information on the tool. The alert will in a similar way include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 8D261165
md5: 90cbd0c91d0abcbc35d49ad910e799f1
name: 90CBD0C91D0ABCBC35D49AD910E799F1.mlw
sha1: 8050ee53aba2ca7a79f6290ccf6d762b074ec5fc
sha256: a23f9dab05998c2f4ca288005f6ee917a6e5b2a6492186c3b3bcfff5eb153bdb
sha512: 25869a3b934ec48f56c113d3aa99b4a7721f7445b29b73f2136b0c3163aa5f1ba04e39b0e949113e85d1220f812473cd627070131fe20fa9620698144473d738
ssdeep: 24576:xOuww24Ek/VQkGGzLkNun0FV3/bbPb6w/o5yD3CSFZclVerpC4I8qUhGorgW7nWV:kuwh4EWh0NLFZ/5gD3Vz4I8G5knmJSs9
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: oft invited me
InternalName: Still question'd me
FileVersion: 39.22.24.2022
CompanyName: Her father loved me
ProductName: How I did thrive
ProductVersion: 39.22.24.2022
FileDescription: the story of my life
Translation: 0x0409 0x04b0

Win32/Adware.HPDefender.ANS also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Adware ( 0050dc921 )
Elastic malicious (high confidence)
DrWeb Trojan.StartPage1.42282
Cynet Malicious (score: 100)
ALYac Trojan.RansomKD.5630936
Cylance Unsafe
Zillya Trojan.RansomKD.Win32.321
Sangfor Trojan.Win32.Generic.5
CrowdStrike win/malicious_confidence_100% (W)
Alibaba AdWare:Win32/HPDefender.99dce5db
K7GW Adware ( 0050dc921 )
Cybereason malicious.91d0ab
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Adware.HPDefender.ANS
APEX Malicious
Avast Win32:Adware-gen [Adw]
Kaspersky not-a-virus:HEUR:AdWare.Win32.Generic
BitDefender Trojan.RansomKD.5630936
NANO-Antivirus Trojan.Win32.Symmi.epeals
SUPERAntiSpyware Adware.HPDefender/Variant
MicroWorld-eScan Trojan.RansomKD.5630936
Tencent Win32.Adware.Generic.Htcd
Ad-Aware Trojan.RansomKD.5630936
Sophos Generic ML PUA (PUA)
Comodo Malware@#3g4giptfyp9gk
BitDefenderTheta Gen:NN.ZexaF.34692.jC0@amMzY7hi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.ICLoader.tc
FireEye Generic.mg.90cbd0c91d0abcbc
Emsisoft Trojan.RansomKD.5630936 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1117985
eGambit Unsafe.AI_Score_96%
Antiy-AVL Trojan/Generic.ASMalwS.2038338
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.RansomKD.D55EBD8
GData Trojan.RansomKD.5630936
AhnLab-V3 PUP/Win32.ICLoader.R199572
McAfee ICLoader
MAX malware (ai score=80)
VBA32 Adware.Presenoker
Malwarebytes Adware.HPDefender
Panda Trj/Genetic.gen
Rising Malware.Generic.5!tfe (C64:YzY0Olrj2iONzaUL)
Yandex Trojan.GenAsa!ZQTfB2K980c
Fortinet Riskware/HPDefender
AVG Win32:Adware-gen [Adw]
Paloalto generic.ml

How to remove Win32/Adware.HPDefender.ANS ransomware?

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 Win32/Adware.HPDefender.ANS 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 Win32/Adware.HPDefender.ANS 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: http://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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