Written by Robert Bailey

What is PWS:Win32/QQpass.CZ infection?

In this short article you will find about the definition of PWS:Win32/QQpass.CZ and also its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom by a target.

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Most of the situations, PWS:Win32/QQpass.CZ infection will instruct its sufferers to launch funds transfer for the function of neutralizing the amendments that the Trojan infection has actually introduced to the sufferer’s gadget.

PWS:Win32/QQpass.CZ Summary

These adjustments can be as complies with:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s hard disk — so the target can no more make use of the data;
  • Preventing regular accessibility to the target’s workstation;


The most typical networks where PWS:Win32/QQpass.CZ Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of user winding up on a source that organizes a destructive software application;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s PC or prevent the tool from working in a proper manner – while also putting a ransom note that discusses the demand for the victims to impact the repayment for the objective of decrypting the documents or bring back the data system back to the preliminary condition. In a lot of circumstances, the ransom note will come up when the client reboots the COMPUTER after the system has actually currently been damaged.

PWS:Win32/QQpass.CZ circulation networks.

In different edges of the globe, PWS:Win32/QQpass.CZ grows by leaps and also bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom amount may differ depending upon specific local (regional) settings. The ransom notes and techniques of obtaining the ransom amount may differ depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s device. The alert after that demands the individual to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In nations where software application piracy is much less prominent, this method is not as effective for the cyber frauds. Conversely, the PWS:Win32/QQpass.CZ popup alert might incorrectly claim to be stemming from a police establishment and also will report having located kid porn or various other unlawful information on the device.

    PWS:Win32/QQpass.CZ popup alert might wrongly declare to be acquiring from a regulation enforcement establishment and will certainly report having situated kid porn or various other unlawful data on the device. The alert will similarly include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 53C74473
md5: b16e09dac8d7557283040bfbef6a75f0
name: B16E09DAC8D7557283040BFBEF6A75F0.mlw
sha1: 6363c3300d277f03c61266404db71fe86bfd7b1c
sha256: 293cb8da9204ecde2d8d35b57e2e4c7987662b66eddc9b4ec5df6d15a9b5ac59
sha512: 8a7ea0929b52dfdce35ec758e65fdb210ec28008658b3a499fb74215a8e5df84632def86e78c7e6fdf38ec74d5635aad0a9452a43fcd8d43e56ba9d030cb35cb
ssdeep: 768:sGCyIqlamQaO9c1hqoukfjSqG31DVscnKmHnko:bIqlamQH9WT0ZFDycKmE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

PWS:Win32/QQpass.CZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005257651 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Qqpass.3076
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanSpy.Delf
ALYac Trojan.Spy.Delf.NTE
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanPSW:Win32/QQpass.195e0616
K7GW Trojan ( 005257651 )
Cybereason malicious.ac8d75
Cyren W32/Hupigon.AM.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
TotalDefense Win32/Dowque!generic
Avast Win32:Trojan-gen
Kaspersky Trojan-Spy.Win32.Delf.wg
BitDefender Trojan.Spy.Delf.NTE
NANO-Antivirus Trojan.Win32.Delf.beuic
ViRobot Trojan.Win32.Delf.98513
MicroWorld-eScan Trojan.Spy.Delf.NTE
Tencent Trojan.Win32.Spy.ab
Ad-Aware Trojan.Spy.Delf.NTE
Sophos Mal/Generic-R
Comodo TrojWare.Win32.PSW.QQPass.~WP@9roaw
BitDefenderTheta AI:Packer.30293B6F19
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_Infostl
McAfee-GW-Edition BehavesLike.Win32.VirRansom.kt
Emsisoft Trojan.Spy.Delf.NTE (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/PSW.QQPass.apn
Avira TR/Dldr.Delphi.Gen
eGambit Unsafe.AI_Score_100%
Microsoft PWS:Win32/QQpass.CZ
Arcabit Trojan.Spy.Delf.NTE
GData Trojan.Spy.Delf.NTE
AhnLab-V3 Win-Trojan/QQPass.Gen
McAfee generic!bg.n
MAX malware (ai score=82)
VBA32 TrojanSpy.Delf
Malwarebytes Malware.AI.3727269733
Panda Trj/Spy.XL
TrendMicro-HouseCall Mal_Infostl
Rising Stealer.OnLineGames!1.66E7 (CLOUD)
Yandex Trojan.QQPass.Gen.4
Ikarus Trojan-GameThief.Win32.OnLineGames
MaxSecure Trojan.Malware.28348.susgen
Fortinet W32/Dropper.DLF!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/TrojanSpy.QQLogger.HykCtbsA

How to remove PWS:Win32/QQpass.CZ 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 PWS:Win32/QQpass.CZ 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 PWS:Win32/QQpass.CZ 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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