Warning: Hyper-V Manager Scam
Written by Tomas Meskauskas on (updated)
What is Hyper-V Manager?
"Hyper-V Manager" is a deceptive pop-up error displayed by a rogue website. Users are redirected to this website by various potentially unwanted programs (PUPs) that infiltrate systems without consent (the "bundling" method). As well as causing unwanted redirects, PUPs deliver various intrusive advertisements and continually track Internet browsing activity.
The "Hyper-V Manager" pop-up states that an error has occurred and, therefore, the computer hard drive might be damaged. Victims are encouraged to immediately contact certified technicians via a telephone number ("+1-877-225-9922") provided. They will then supposedly receive help in solving the issue. Bear in mind, however, that the "Hyper-V Manager" error is fake.
Developers generate revenue by scaring and tricking victims into calling and paying for technical support that is not required. Therefore, ignore this message and never attempt to call the aforementioned telephone number. This error can be removed simply by closing the web browser.
Be aware that PUPs employ a "virtual layer" to generate coupon, banner, pop-up, and other similar advertisements. This enables placement of third party graphical content on any site and, therefore, displayed ads often conceal underlying website content, thereby significantly diminishing the browsing experience.
In addition, some lead to malicious websites and clicking them can result in high-risk adware or malware infections. PUPs continually monitor users' Internet browsing activity by recording URLs visited, pages viewed, search queries, IP addresses, and other information that might contain personal details.
This data is shared with third parties (potentially, cyber criminals) who misuse private data to generate revenue. Thus, the presence of data-tracking applications on your system can result in serious privacy issues or even identity theft. All potentially unwanted programs should be uninstalled immediately.
There are dozens of fake errors similar to "Hyper-V Manager". The list of examples includes System Has Detected Intrusion, Your Computer Is In Blocked State, Enter A Product Key, and many others. Note that, as with Hyper-V Manager, these errors also claim that the system is damaged in some way.
In fact, all are fake and should not be trusted. Fake errors are designed only to generate revenue for the developers. PUPs also have an identical purpose: by offering various 'useful features', they attempt to give the impression of legitimacy, however, they merely cause unwanted redirects and continually record various user-system information.
How did adware install on my computer?
As mentioned above, PUPs are distributed using the "bundling" method and, therefore, regular users often install them inadvertently without their consent. Bundling is stealth installation of third party applications with regular software/apps. Developers know that users often rush the download/installation processes and skip steps.
Therefore, they hide bundled programs within the "Custom/Advanced" settings. Skipping this section often leads to inadvertent installation of rogue applications.
How to avoid installation of potentially unwanted applications?
There are two simple steps you should take to prevent this situation. Firstly, closely analyze each download/installation step using the "Custom" or "Advanced" settings. Secondly, decline offers to download/install additional applications and cancel those already included.
Text presented within "Hyper-V Manager" first pop-up:
An error occurred while attempting to change the state of virtual machine savtstfc01.
‘savtstfc01’ failed start.
Emulated IDE Controller (Instance ID 83F8628-8DCA-4152-9EDA-2CA8B33039B4)): Failed to power on with Error ‘General access denied error’
IDE/ATAPI: Cloud not attach ‘E:Virtualssavtstfc01.vhd’ to location 0/0 of IDE Controller. Error: ‘ General access denied error’
The file ‘E:Virtualsavtstfc.vhd’ doesn’t not have the required security settings. Error:’General access denied error’
IMMEDIATE RESPONSE REQUIRED
Call Help Desk
Customer Service +1-877-225-9922 (TOLL-FREE)
Your Hard Disk May Have Corrupt! Please Do Not Try to Fix Manually, it May Crash Your Data.
Consequently, we are performing additional security checks to verify system security.
Screenshot of "Hyper-V Manager" second pop-up:
Text presented within "Hyper-V Manager" second pop-up:
****Don’t Restart Your Computer*****
The Following information was found on this error:
Code: 00xO4C08
Description
An unsupported or invalid partition type was detected.
The infection detected, indicate some recent downloads on the computer which in turn has created problems on the computer. Call technical support +1-877-255-9922 and share this code B2957E to the Agent to Fix This.
Appearance of "Hyper-V Manager" scam (GIF):
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Quick menu:
- What is Hyper-V Manager?
- STEP 1. Uninstall deceptive applications using Control Panel.
- STEP 2. Remove adware from Internet Explorer.
- STEP 3. Remove rogue extensions from Google Chrome.
- STEP 4. Remove potentially unwanted plug-ins from Mozilla Firefox.
- STEP 5. Remove rogue extension from Safari.
- STEP 6. Remove rogue plug-ins from Microsoft Edge.
Adware removal:
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 program, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove adware from Internet browsers:
Video showing how to remove potentially unwanted browser add-ons:
Remove malicious add-ons from Internet Explorer:
Click the "gear" icon 
(at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the "hyper-v manager" virus, reset your Internet Explorer settings to default.
Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.
Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.
Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.
In the opened window, select the Advanced tab.
Click the Reset button.
Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon 
(at the top right corner of Google Chrome), select "Tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons, select these entries and click the trash can icon.
Optional method:
If you continue to have problems with removal of the "hyper-v manager" virus, 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 plug-ins from Mozilla Firefox:
Click the Firefox menu 
(at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.
Optional method:
Computer users who have problems with "hyper-v manager" virus 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.
Optional method:
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.
Optional method:
If you continue to have problems with removal of the "hyper-v manager" virus, 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.
Summary:
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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Outstanding!
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