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How to remove apps that promote the Error # WINDOWS-PORN-91 scam

Also Known As: Error # WINDOWS-PORN-91 technical support scam
Damage level: Medium

What is Error # WINDOWS-PORN-91?

Like many other technical support scam websites, this one attempts to trick visitors into believing that, unless they call the provided number and solve the problem, their files will be damaged and personal information will be stolen, etc.

Usually, scammers behind these pages attempt to trick unsuspecting users into paying for unnecessary services and software, or even providing remote access to their computers. These websites should never be trusted.

Note that users do not often visit these sites intentionally - in most cases, they are opened via clicked deceptive ads, other dubious web pages, or by installed potentially unwanted applications (PUAs).

Error # WINDOWS-PORN-91 scam

The text on this scam web page is in German, however, visitors from different countries may see text in different languages. This website attempts to trick visitors into believing that their computers are locked to prevent further damage and infected with a virus and spyware. Data such as email and Facebook login credentials, credit card details, and some personal files have supposedly been stolen.

Its main purpose is to deceive visitors into contacting scammers by calling the 044 586 76 58 number. In most cases, when scammers behind these pages are contacted, they try to trick users into paying for unnecessary software and services.

They often ask users for permission to remotely access their computers. By gaining such access, scammers can install malware onto the operating system (e.g., ransomware, Trojan-type malware), steal personal information or use systems for other malicious purposes.

In any case, technical support scam pages should be ignored. If the web page cannot be closed normally, end the browser process via Task Manager. Note that, in such cases, the last browsing session should not be restored, since this will return you to the same scam page.

Threat Summary:
Name Error # WINDOWS-PORN-91 technical support scam
Threat Type Phishing, Scam, Social Engineering, Fraud.
Fake Claim Computer is locked and infected, personal data and files are stolen.
Disguise Official Microsoft page.
Tech Support Scammer Phone Number 044 586 76 58
Symptoms Fake error messages, fake system warnings, pop-up errors, hoax computer scan.
Distribution methods Compromised websites, rogue online pop-up ads, potentially unwanted applications.
Damage Loss of sensitive private information, monetary loss, identity theft, possible malware infections.
Malware Removal (Windows)

To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
▼ Download Combo Cleaner
To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

More examples of similar scams are "Killer's IP Address", "Google Chrome Blocked For Security Reasons" and "Windows Error Code: WIN.DLL0151930". They often appear similar to official Microsoft web pages, however, neither the Microsoft company nor its support service has anything to do with these pages.

Browsers commonly open these pages when PUAs (e.g., browser hijacker, adware-type app) are installed on them.

How did potentially unwanted applications install on my computer?

Unwanted downloads and installations often occur when developers distribute PUAs by integrating them into the download/installation setups of other programs as "extra offers". This distribution method is known as "bundling". The offers can be declined in "Custom", "Advanced" and other similar settings of the setups (or by unticking certain checkboxes).

Many users fail to check and change these settings (or untick the checkboxes), thereby allowing PUAs to infiltrate together with the desired software. PUAs are also downloaded and installed by clicking deceptive advertisements (usually on untrusted sites) that execute certain scripts.

How to avoid installation of potentially unwanted applications?

You are advised to download files and programs from official websites and via direct download links. Other tools and sources such as third party downloaders and installers, unofficial pages, and Peer-to-Peer networks (e.g., eMule, torrent clients) should not be used to download or install software.

Check all "Custom", "Advanced" and other similar settings (or available checkboxes) for offers to download and/or install unwanted apps. Do not click ads on dubious websites, since they can be designed to open bogus web pages or cause unwanted downloads and installations.

Remove any unwanted, suspicious extensions, plug-ins and add-ons installed on the browser, and software of this kind from the operating system.

If your computer is already infected with PUAs, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Text in the background of the page:

Rufen Sie Windows an:

044 586 76 58

Text in the pop-up on the center of the page:

Sicherheitsalarm:

** IHR COMPUTER IST GESPERRT **

Fehler # WIND0WS-P0RN-91

Bitte rufen Sie uns umgehend an : 044 586 76 58
Dies ist eine wichtige Warnung...
Wenn Sie diese Seite schließen, wird der Zugriff auf Ihren Computer
deaktiviert um weitere Schäden an unserem Netzwerk zu vermeiden.Ihr Computer hat uns darauf hingewiesen, dass er mit einem Virus und Spyware infiziert wurde.Folgende Daten werden gestohlen ...

1. Facebook-Login
2. Kreditkartendaten
3. E-Mail-Konto Daten
4. Fotos die auf diesem PC gespeichert sind

Sie müssen sich umgehend mit uns in Verbindung setzen amit unsere Ingenieure Sie durch den Entfernungs-Vorgang per Telefon führen können. Rufen Sie uns bitte innerhalb der nächsten 5 Minuten am um eine vollständige Fehlfunktion Ihres Computers zu vermeiden.

Rufen Sie Microsoft kostenlos kostenlos an: 044 586 76 58

Text in the pop-up on the right-upper corner of the page:

Fehler aufgezeichnet am Friitig, 4. Dezämber 2020 um 01:30 Windows hat den Download von 91.18.122.10 gemeldet Bitte rufen Sie Microsoft kostenlos an: 044 586 76 58

Text in the pop-up on the right-lower corner of the page:

Windows hat potenzielle Bedrohungen auf Ihrem Computer erkannt

Wenn Sie diese Seite schließen, wird der Zugang auf Ihren Computer deaktiviert, wird der Zugang auf Ihren Computer deaktiviert, um weitere Schäden an unserem Netzwerk zu verhindern.

Fehler #WIND0WS-P0RN-91
Ihr Computer hat uns alarmiert, dass er mit einem Virus und Spyware infiziert wurde.

Völlig kostenlos erreichbar unter

044 586 76 58

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

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How to identify a pop-up scam?

Pop-up windows with various fake messages are a common type of lures cybercriminals use. They collect sensitive personal data, trick Internet users into calling fake tech support numbers, subscribe to useless online services, invest in shady cryptocurrency schemes, etc.

While in the majority of cases these pop-ups don't infect users' devices with malware, they can cause direct monetary loss or could result in identity theft.

Cybercriminals strive to create their rogue pop-up windows to look trustworthy, however, scams typically have the following characteristics:

  • Spelling mistakes and non-professional images - Closely inspect the information displayed in a pop-up. Spelling mistakes and unprofessional images could be a sign of a scam.
  • Sense of urgency - Countdown timer with a couple of minutes on it, asking you to enter your personal information or subscribe to some online service.
  • Statements that you won something - If you haven't participated in a lottery, online competition, etc., and you see a pop-up window stating that you won.
  • Computer or mobile device scan - A pop-up window that scans your device and informs of detected issues - is undoubtedly a scam; webpages cannot perform such actions.
  • Exclusivity - Pop-up windows stating that only you are given secret access to a financial scheme that can quickly make you rich.

Example of a pop-up scam:

Example of a pop-up scam

How do pop-up scams work?

Cybercriminals and deceptive marketers usually use various advertising networks, search engine poisoning techniques, and shady websites to generate traffic to their pop-ups. Users land on their online lures after clicking on fake download buttons, using a torrent website, or simply clicking on an Internet search engine result.

Based on users' location and device information, they are presented with a scam pop-up. Lures presented in such pop-ups range from get-rich-quick schemes to fake virus scans.

How to remove fake pop-ups?

In most cases, pop-up scams do not infect users' devices with malware. If you encountered a scam pop-up, simply closing it should be enough. In some cases scam, pop-ups may be hard to close; in such cases - close your Internet browser and restart it.

In extremely rare cases, you might need to reset your Internet browser. For this, use our instructions explaining how to reset Internet browser settings.

How to prevent fake pop-ups?

To prevent seeing pop-up scams, you should visit only reputable websites. Torrent, Crack, free online movie streaming, YouTube video download, and other websites of similar reputation commonly redirect Internet users to pop-up scams.

To minimize the risk of encountering pop-up scams, you should keep your Internet browsers up-to-date and use reputable anti-malware application. For this purpose, we recommend Combo Cleaner Antivirus for Windows.

What to do if you fell for a pop-up scam?

This depends on the type of scam that you fell for. Most commonly, pop-up scams try to trick users into sending money, giving away personal information, or giving access to one's device.

  • If you sent money to scammers: You should contact your financial institution and explain that you were scammed. If informed promptly, there's a chance to get your money back.
  • If you gave away your personal information: You should change your passwords and enable two-factor authentication in all online services that you use. Visit Federal Trade Commission to report identity theft and get personalized recovery steps.
  • If you let scammers connect to your device: You should scan your computer with reputable anti-malware (we recommend Combo Cleaner Antivirus for Windows) - cyber criminals could have planted trojans, keyloggers, and other malware, don't use your computer until removing possible threats.
  • Help other Internet users: report Internet scams to Federal Trade Commission.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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