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The Daily Insight

Win32/Adware.HPDefender.NN

Author

Emily Beck

Updated on April 20, 2026

What is Win32/Adware.HPDefender.NN infection?

In this post you will find about the meaning of Win32/Adware.HPDefender.NN and also its adverse impact on your computer system. Such ransomware are a type of malware that is specified by on-line fraudulences to require paying the ransom money by a victim.

In the majority of the instances, Win32/Adware.HPDefender.NN ransomware will certainly advise its victims to initiate funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s gadget.

Win32/Adware.HPDefender.NN Summary

These modifications can be as follows:

  • Network activity detected but not expressed in API logs;
  • Ciphering the records located on the sufferer’s hard disk — so the target can no more utilize the data;
  • Preventing regular access to the victim’s workstation;

Win32/Adware.HPDefender.NN

The most common networks whereby Win32/Adware.HPDefender.NN Trojans are injected are:

  • By methods of phishing e-mails;
  • As a repercussion of individual ending up on a source that organizes a harmful software;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s computer or avoid the tool from functioning in a proper fashion – while likewise putting a ransom money note that mentions the demand for the sufferers to effect the settlement for the purpose of decrypting the files or recovering the documents system back to the first problem. In many instances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Win32/Adware.HPDefender.NN circulation channels.

In various corners of the globe, Win32/Adware.HPDefender.NN expands by leaps and also bounds. Nonetheless, the ransom money notes and methods of extorting the ransom quantity may vary depending upon certain regional (regional) setups. The ransom money notes and techniques of obtaining the ransom money quantity may differ depending on specific local (regional) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In particular locations, the Trojans frequently wrongfully report having spotted some unlicensed applications made it possible for on the victim’s device. The sharp then demands the user to pay the ransom.

    Faulty statements concerning prohibited web content.

    In nations where software piracy is less prominent, this technique is not as efficient for the cyber fraudulences. Alternatively, the Win32/Adware.HPDefender.NN popup alert may wrongly declare to be originating from a police organization as well as will certainly report having located youngster pornography or other prohibited data on the tool.

    Win32/Adware.HPDefender.NN popup alert might falsely assert to be obtaining from a law enforcement institution and also will certainly report having situated child pornography or various other prohibited data on the gadget. The alert will similarly have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: B3447F21md5: a4a49690ec56db0fc2bcfbba29c35e3cname: A4A49690EC56DB0FC2BCFBBA29C35E3C.mlwsha1: 06e17751be7c417568dc4a67dc3cde6c579ac6b2sha256: bcba607654e4efd538323b72c5aa6397c59cc237484fe968f70ec3c03f2a56bcsha512: 7e5d2ab1eb0c40382463962f400210e4485883e4b67ee40e3b2c000eb077988f7efcd6b82f9a15b59149af50e9208f7d1d8760b3d10aadfaf19b8b494966977cssdeep: 3072:RRItkZDotty+UB1bL1Ppai976CmPCYZCscfRPH:Ktty5VPIKYAffBHtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Adware.HPDefender.NN also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacGen:Variant.Ransom.BTCWare.51
CylanceUnsafe
ZillyaAdware.HPDefender.Win32.1161
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
AlibabaAdWare:Win32/HPDefender.d8648d90
Cybereasonmalicious.0ec56d
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Adware.HPDefender.NN
APEXMalicious
AvastFileRepMalware
Kasperskynot-a-virus:HEUR:AdWare.Win32.Generic
BitDefenderGen:Variant.Ransom.BTCWare.51
NANO-AntivirusRiskware.Win32.Hpdefender.evdzsr
MicroWorld-eScanGen:Variant.Ransom.BTCWare.51
TencentWin32.Adware.Generic.Lmue
Ad-AwareGen:Variant.Ransom.BTCWare.51
SophosGeneric PUA AG (PUA)
ComodoApplicUnwnt@#3wsbnztdar6g
BitDefenderThetaGen:NN.ZexaF.34050.hCW@aSRuYhfi
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Emotet.ch
FireEyeGeneric.mg.a4a49690ec56db0f
EmsisoftGen:Variant.Ransom.BTCWare.51 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1103376
eGambitUnsafe.AI_Score_99%
MicrosoftProgram:Win32/Wacapew.C!ml
GDataGen:Variant.Ransom.BTCWare.51
AhnLab-V3Adware/Win32.HPDefender.C4153897
McAfeeArtemis!A4A49690EC56
MAXmalware (ai score=99)
PandaTrj/Genetic.gen
RisingTrojan.Generic@ML.100 (RDML:p/Stw5xEUYcqRy7Tzve1gw)
IkarusPUA.HPDefender
MaxSecureTrojan.Malware.300983.susgen
FortinetRiskware/HPDefender
AVGFileRepMalware
Paloaltogeneric.ml
Qihoo-360Win32/Adware.Generic.HwoCEpsA

How to remove Win32/Adware.HPDefender.NN virus?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

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.NN 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 Win32/Adware.HPDefender.NN you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: