Avoid video download and conversion services by flv2mp3.by
Written by Tomas Meskauskas on (updated)
What is flv2mp3[.]by?
flv2mp3[.]by operates as an online video downloader and converter. It allows users to download video files from YouTube and convert them to .avi, .mp4, and .mp3 format, however, the site also uses dubious advertising networks. Therefore, flv2mp3[.]by contains ads that redirect people who click them to dubious websites.
Do not use services that are provided by these web pages. Note that it is illegal to download videos from YouTube.
If clicked, ads on websites like flv2mp3[.]by can cause redirects to various other dubious sites. For example, deceptive sites that inform visitors that their computers are infected with viruses. In most cases, they encourage visitors to remove infected files and/or malicious programs with an untrustworthy application.
Ads on flv2mp3[.]by might also lead to sites designed to advertise other potentially unwanted apps (PUAs) such as browser hijackers, adware, etc. If installed, browser hijackers change certain browser settings so that users are forced to use/visit a fake search engine or other dubious web addresses.
Most apps of this type are designed to gather details relating to users' browsing habits. They might also be used to record private, sensitive information. The data is then misused to generate revenue, thereby placing users at risk of having their identities stolen.
They could also experience problems relating to browsing safety, privacy, etc. If installed, adware serves intrusive ads that are usually designed to redirect people to untrustworthy websites. Some examples of ads displayed by adware include banners, pop-up ads, coupons, surveys, etc.
In some cases, clicking them causes unwanted downloads and installations (some ads run scripts designed for this purpose). Furthermore, flv2mp3[.]by asks permission to show notifications.
We advise against allowing these sites to show notifications, since they can then deploy various irrelevant, annoying notifications, and advertise rogue software, websites, and so on. An example of a flv2mp3[.]by notification is provided below.
|Name||Ads by flv2mp3.by|
|Threat Type||Push notifications ads, Unwanted ads, Pop-up ads.|
|Detection Names||Full List Of Detections (VirusTotal).|
|Serving IP Address||126.96.36.199|
|Related Domains||cdn3.flv2mp3[.]by, fc.flv2mp3[.]by, content.flv2mp3[.]by, cdn2.flv2mp3[.]by, cdn.flv2mp3[.]by, st.flv2mp3[.]by, static.flv2mp3[.]by, ads.flv2mp3[.]by, test.flv2mp3[.]by, tracker.flv2mp3[.]by.|
|Symptoms||Seeing advertisements not originating from the sites you are browsing. Intrusive pop-up ads. Decreased internet browsing speed.|
|Distribution Methods||Deceptive pop-up ads, potentially unwanted applications (adware)|
|Damage||Decreased computer performance, browser tracking - privacy issues, possible additional malware infections.|
|Malware Removal (Windows)||
To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
flv2mp3[.]by is not the only website that offers a YouTube video download/conversion service. Other examples include y2meta[.]com, mp3-youtube[.]download, and 2conv[.]com. Do not use these websites, since it is illegal to download videos from YouTube.
Typically, the web pages use dubious advertising networks and redirect to various dubious web pages, or they contain ads that cause the same problem. Furthermore, people who use websites such as flv2mp3[.]by might be tricked into download/installation of unwanted applications.
How did adware install on my computer?
Potentially unwanted apps are usually downloaded and/or installed without users' knowledge. It most cases, people download and/or install them through intrusive advertisements that they click, or when developers use a deceptive marketing method called "bundling".
They use bundling to trick people into downloading and/or installing unwanted apps together with regular software. Generally, information about additionally-included (bundled) apps is not properly disclosed - developers hide it in "Custom", "Advanced" and other similar parts of the download or installation set-ups.
Furthermore, many people download and install software without checking these settings, thereby allowing PUAs to be downloaded and/or installed through the set-ups of regular programs.
How to avoid installation of potentially unwanted applications
Check "Custom", "Advanced" and other similar settings of any download or installation setup. The settings often include offers to download and/or install additional, unwanted software. Dismiss such offers before completing the software download or installation process.
Download software from official websites and via direct download links. Do not use third party downloaders, installers, Peer-to-Peer networks such as eMule, torrent clients, unofficial websites and other tools, sources to download or install software. Do not trust or click intrusive ads, since most redirect people to untrustworthy websites.
These ads are often displayed on dubious pages relating to gambling, adult dating, pornography and others. Check for any suspicious, unwanted or unknown apps (extensions, plug-ins, add-ons) installed on the browser and remove them immediately. The same should be applied to software of this kind installed on the operating system.
If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
Appearance of flv2mp3[.]by website redirecting users to rogue websites (GIF):
Notification by flv2mp3[.]by website:
IMPORTANT NOTE! This deceptive site asks to enable web browser notifications.
Therefore, before commencing, perform these steps:
Google Chrome (PC):
- Click the Menu button (three dots) on the right upper corner of the screen
- Select "Settings", scroll down to the bottom and click "Advanced"
- Scroll down to the "Privacy and security" section, select "Content settings" and then "Notifications"
- Click three dots on the right hand side of each suspicious URL and click "Block" or "Remove" (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again)
Google Chrome (Android):
- Click on the Menu button (three dots) on the right upper corner of the screen and click "Settings"
- Scroll down, click on "Site settings" and then "Notifications"
- In the opened window, locate all suspicious URLs and click on them one-by-one
- Select "Notifications" in the "Permissions" section and set the toggle button to "OFF"
- Click the Menu button (three bars) on the right upper corner of the screen
- Select "Options" and click on "Privacy & Security" in the toolbar on the left hand side of the screen
- Scroll down to the "Permissions" section and click the "Settings" button next to "Notifications"
- In the opened window, locate all suspicious URLs, click the drop-down menu and select "Block"
- Click the Gear button on the right upper corner of the IE window
- Select "Internet options"
- Select the "Privacy" tab and click "Settings" under "Pop-up Blocker" section
- Select suspicious URLs under and remove them one by one by clicking the "Remove" button
- Click the menu button (three dots) on the right upper corner of the Edge window
- Scroll down, find and click "Settings"
- Scroll down again and click "View advanced settings"
- Click "Manage" under "Website permissions"
- Click the switch under each suspicious website
- Click "Safari" button on the left upper corner of the screen and select "Preferences..."
- Select the "Websites" tab and then select "Notifications" section on the left pane
- Check for suspicious URLs and apply the "Deny" option for each
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 flv2mp3[.]by?
- STEP 1. Uninstall adware applications using Control Panel.
- STEP 2. Remove adware from Internet Explorer.
- STEP 3. Remove rogue plug-ins from Google Chrome.
- STEP 4. Remove adware-type extensions from Mozilla Firefox.
- STEP 5. Remove malicious extensions from Safari.
- STEP 6. Remove rogue plug-ins from Microsoft Edge.
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 potentially unwanted applications, select these entries and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted application that causes flv2mp3[.]by redirects, 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".
If you continue to have problems with removal of the ads by flv2mp3.by, 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 "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 ads by flv2mp3.by, 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.
Computer users who have problems with ads by flv2mp3.by 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 ads by flv2mp3.by, 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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