What is Microsoft Windows Virus Alert scam?
It is a technical support scam that uses scare tactics (displays a fake virus alert) to trick visitors into calling scammers and then paying money for fake services and products and (or) installing potentially malicious software. Users never visit scam pages like this one intentionally.
Microsoft Windows Virus Alert scam in detail
This scam is designed to trick visitors into believing that their computers are infected with a Trojan designed to steal email and Facebook login credentials, banking information. It claims that visitors have to call the (050) 5479-2397 number to protect (and unblock) their computers.
Usually, scammers behind such scams try to extract money and (or) personal information or to trick users into installing malware, a remote administration tool that would allow them to access a computer or other software. Either way, these scams must be ignored.
|Name||Microsoft Windows Virus Alert technical support scam|
|Threat Type||Phishing, Scam, Social Engineering, Fraud|
|Fake Claim||A computer has been infected with a Trojan and adware|
|Disguise||Virus notification from Microsoft|
|Tech Support Scammer Phone Number||(050) 5479-2397|
|Additional Information||Text in scam is written in Japanese language|
|Detection Names (mn56387657.blob.core.windows[.]net)||Emsisoft (Phishing), Full List Of Detections (VirusTotal)|
|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.
Online scams in general
Scam pages like this one are disguised as official Microsoft or other software company pages and encourage visitors to call the provided number (or numbers) as soon as possible. No legitimate company has anything to do with such scams.
More examples of similar pop-up scams are "Windows_Firewall_Protection_Alert", "Access To This Pc Has Been Blocked For Security Reasons", and "Firewall Spyware Alert". Typically, these pages get opened through shady ads, other dubious pages or present potentially unwanted applications (PUAs).
How did potentially unwanted applications install on my computer?
Most users download and install PUAs through downloaders or installers for other programs, advertisements designed to run certain scripts (by clicking on them), fake installers. PUAs included in downloaders and installers can be deselected using their "Custom", "Advanced", "Manual" or other settings.
Users who do not deselect optional downloads or installations using the aforementioned agree to download or install PUAs. It is worth mentioning that fake installers used to distribute PUAs usually are promoted on deceptive pages.
How to avoid installation of potentially unwanted applications?
Download programs (and files) from trustworthy, official websites. Avoid using other sources - they can be used to distribute questionable and malicious software. Do not click on advertisements that appear on dubious pages. Deselect unwanted optional downloads or installations before downloading or installing programs.
If your computer is already infected with PUAs, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
The appearance of Microsoft Windows Virus Alert pop-up scam (GIF):
Text in this scam (written in Japanese):
Microsoft-Windows-Virus-Alert (050) 5479-2397
最後のスキャン 利用できません| クイックスキャ
使用ライセンス 1/5| 別のデバイ
** アクセスはこのパソコンのプロックセキュリティ上の理由 **
お使いのコンピュータは、それがトロイの木馬のスパイウェアに三数してい ること 以下のデータが侵害されました。
Windows-Defender_Scanは、あなたのパスワードを盗むことができ、こ のデバイス上の潜在的に不要なアドウェアを発見しました,オンラテインid財 物情報個人ファイル
Windowsサポートに連絡する: (050) 5479-2397
本 Windows アクセスはこのパソコンのプロックセキュリティ上の理由.
Windowsサポートに連結する: (050) 5479-2397
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:
- What is Microsoft Windows Virus Alert scam?
- STEP 1. Uninstall deceptive applications using Control Panel.
- STEP 2. Remove rogue extensions from Google Chrome.
- STEP 3. Remove potentially unwanted plug-ins from Mozilla Firefox.
- STEP 4. Remove rogue extensions from Safari.
- STEP 5. Remove rogue plug-ins from Microsoft Edge.
Removal of potentially unwanted applications:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
Windows 10 users:
Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.
Windows 7 users:
Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.
macOS (OSX) users:
Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.
In the uninstall programs window, look for any suspicious/recently-installed applications, select these entries and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted application, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove rogue extensions from Internet browsers:
Video showing how to remove potentially unwanted browser add-ons:
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon (at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons and remove them.
If you continue to have problems with removal of the microsoft windows virus alert technical support scam, reset your Google Chrome browser settings. Click the Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plugins from Mozilla Firefox:
Click the Firefox menu (at the top right corner of the main window), select "Add-ons". Click on "Extensions", in the opened window remove all recently-installed suspicious browser plug-ins.
Computer users who have problems with microsoft windows virus alert technical support scam removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge menu icon (at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.
If you continue to have problems with removal of the microsoft windows virus alert technical support scam, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.
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Frequently Asked Questions (FAQ)
What is a pop-up scam?
It is a type of scam used to trick unsuspecting users into downloading files, installing unwanted (potentially malicious) software, or providing personal information. Typically, it uses scare tactics to trick users into that.
Why do I encounter fake pop-ups?
Most pop-up scams are promoted through untrustworthy websites, potentially unwanted applications, deceptive advertisements. Users do not open these scam pages intentionally.
Will Combo Cleaner protect me from pop-up scams?
Combo Cleaner can scan websites and detect malicious ones, including pages designed to deliver pop-up scams. It warns users about such pages immediately and restricts access to them.