What is Win32/Qhost.PNU infection?

In this article you will certainly find regarding the interpretation of Win32/Qhost.PNU and its negative effect on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to demand paying the ransom money by a victim.

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In the majority of the cases, Win32/Qhost.PNU infection will certainly advise its victims to start funds move for the function of counteracting the changes that the Trojan infection has actually introduced to the target’s tool.

Win32/Qhost.PNU Summary

These adjustments can be as adheres to:

  • The sample wrote data to the system hosts file.;
  • Ciphering the records situated on the victim’s hard drive — so the victim can no longer use the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most typical channels through which Win32/Qhost.PNU Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a destructive software;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s PC or stop the gadget from functioning in a proper way – while likewise putting a ransom money note that mentions the need for the sufferers to impact the repayment for the function of decrypting the records or recovering the file system back to the preliminary problem. In most instances, the ransom money note will certainly turn up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Qhost.PNU distribution networks.

In different edges of the globe, Win32/Qhost.PNU expands by leaps and bounds. However, the ransom notes and methods of obtaining the ransom amount might differ depending upon certain regional (local) setups. The ransom notes as well as techniques of obtaining the ransom money amount may vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the sufferer’s tool. The sharp then demands the user to pay the ransom.

    Faulty declarations regarding prohibited content.

    In nations where software application piracy is less popular, this method is not as effective for the cyber scams. Alternatively, the Win32/Qhost.PNU popup alert might falsely claim to be stemming from a police establishment and will certainly report having located child pornography or other unlawful data on the gadget.

    Win32/Qhost.PNU popup alert may falsely declare to be deriving from a regulation enforcement establishment and also will report having situated kid pornography or various other prohibited data on the tool. The alert will similarly contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: EC30A97C
md5: 99ad238bb185ffedf55854016da03536
name: 99AD238BB185FFEDF55854016DA03536.mlw
sha1: 6c34b80db38a1c79f06c943d544778f5334dcc7e
sha256: 5a56c2ac2581e0d972685542787e65f3b37489af9f61637b534c33a31a44b6d6
sha512: 52c6a2a369dec5eabcea4dc4382d210f3219846b4b68f6abdf1d51b41633aaa344095431729620cd38b270a153fc5b4323c6e12aa52d890d441ff04bd20dec93
ssdeep: 3072:V9ruj40JzlpFyXAUKjqztMrx/k4htXlG4gAg0Fujb4JVyRoi:e/uKWztMv7gAOhRo
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Qhost.PNU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.RansomXpackT.Trojan
K7AntiVirus Trojan ( 0055485d1 )
Cylance Unsafe
Zillya Trojan.Hosts2.Win32.871
Sangfor Trojan.Win32.Dynamer.8
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/Qhost.c6db24e2
K7GW Trojan ( 0055485d1 )
Cybereason malicious.bb185f
Cyren W32/S-05856bbf!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Qhost.PNU
APEX Malicious
Avast FileRepMetagen [Malware]
Cynet Malicious (score: 85)
Kaspersky Trojan.Win32.Hosts2.gen
NANO-Antivirus Trojan.Win32.Hosts2.elsavy
SUPERAntiSpyware Adware.ConvertAd/Variant
Tencent Malware.Win32.Gencirc.10b454f3
Sophos Mal/Generic-R + Mal/Qhost-M
Comodo TrojWare.Win32.Qhosts.BF@73wqrc
BitDefenderTheta Gen:NN.ZexaF.34628.mCW@ayNnqRli
VIPRE BehavesLike.Win32.Malware.sfm (mx-v)
TrendMicro TROJ_GEN.R002C0RAK21
Emsisoft Gen:Variant.Mikey.58065 (B)
Avira HEUR/AGEN.1116522
Arcabit Trojan.Mikey.DE2D1
ZoneAlarm Trojan.Win32.Hosts2.gen
AhnLab-V3 Trojan/Win32.Hosts.R194465
McAfee GenericRXAA-AA!99AD238BB185
VBA32 Win32.Trojan.Hoster.Heur
Malwarebytes Generic.Trojan.Malicious.DDS
Rising Trojan.QHosts!8.52B (CLOUD)
Yandex Trojan.GenAsa!DvAobRVNtKs
eGambit Unsafe.AI_Score_99%
AVG FileRepMetagen [Malware]
Qihoo-360 Win32/Trojan.Hosts2.HgAASQoA

How to remove Win32/Qhost.PNU 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/Qhost.PNU 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 Win32/Qhost.PNU you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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