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Ads by Istreamer

Also Known As: Istreamer adware
Type: Adware
Damage level: Medium

What is Istreamer?

The application, Istreamer, claims to improve Internet browsing by rendering various interactive content such as graphics, text, etc. By delivering these fake promises, Istreamer attempts to trick users into believing that it is a legitimate and useful app. In fact, Istreamer is categorized as adware and a potentially unwanted program (PUP).

One of the main reasons for these negative associations is stealth installation - this app infiltrates systems without users' permission. Furthermore, it generate intrusive online advertisements and tracks Internet browsing activity.

Istreamer adware

Istreamer adware displays coupon, price comparison, banner, in-text, pop-up, pop-under, and other similar ads. None originate from the visited sites and conceal underlying content, thereby significantly diminishing the Internet browsing experience, since users are forced to avoid clicking them.

Furthermore, although most of these advertisements redirect to online stores and other similar e-commerce websites, some may redirect to rogue sites containing infectious content. Thus, clicking advertisements displayed by Istreamer can lead to further computer infections.

All this is achieved using a virtual layer, which enables placement of any graphical content on visited sites. In addition, this application continually monitors and tracks various Internet browsing-related information including IP addresses, search queries entered into search engines, websites visited, pages viewed, etc.

Some of this collected information might contain personally identifiable details and is later shared with third parties who can misuse it to generate revenue. Therefore, the presence of Istreamer adware on your system could lead to privacy issues. If you are concerned with your privacy and Internet browsing safety, uninstall Istreamer adware immediately.

This adware is virtually identical to the Kikblaster, FlashBeat, PrintOnKey, and LolliScan applications. All (including Istreamer) claim to enhance the Internet browsing experience in an attempt to trick users to install. Once installed, they merely display advertisements and track personally identifiable data.

The purpose of Istreamer, and other adware-type apps, is to generate revenue for the developers - they provide no real value for users.

How did Istreamer install on my computer?

Istreamer is distributed using a deceptive software marketing method called 'bundling' - stealth installation of third party applications with regular software/apps. This method is essentially a scam, since bundled applications are concealed within the 'Custom' or 'Advanced' settings - these are often skipped by many users.

By not paying due attention during the download and installation processes, users skip most/all of the steps and inadvertently install rogue applicaitons, thereby exposing their systems to risk of infection. The developers of these apps are concerned only with the amount of revenue generated, and thus, do not properly disclose these rogue installations.

How to avoid installation of potentially unwanted applications?

Installation of deceptive apps such as Istreamer can be prevented by taking a two main steps. Firstly, never rush the download or installation procedures - closely analyze each step and ensure that only your chosen software is downloaded/installed.

Secondly, select the 'Custom' or 'Advanced' options - this will reveal any concealed rogue applications listed for installation and enable you to opt-out.

Deceptive free software installer used in Istreamer adware distribution:

Deceptive installer distributing Istreamer adware

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Quick menu:

Istreamer adware removal:

Windows 11 users:

Accessing Apps and Features in Windows 11

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:

Accessing Programs and Features (uninstall) in Windows 8

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:

Accessing Programs and Features (uninstall) in Windows 7

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:

Uninstall app in OSX (Mac)

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.

Istreamer adware uninstall via Control Panel

In the uninstall programs window, look for "Istreamer", select this entry and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted program that causes Istreamer ads, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove Istreamer adware from Internet browsers:

At time of research, Istreamer did not install its browser plug-ins on Internet Explorer, Google Chrome, or Mozilla Firefox, however, it was bundled with other adware. Therefore, you are advised to remove all potentially unwanted browser add-ons from your Internet browsers.

Video showing how to remove potentially unwanted browser add-ons:

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing Istreamer ads from Internet Explorer step 1

Click the "gear" icon Internet Explorer options 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".

Removing Istreamer ads from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the istreamer adware, 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.

Resetting Internet Explorer settings to default on Windows XP

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.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the Advanced tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing Istreamer  ads from Google Chrome step 1

Click the Chrome menu icon Google Chrome options icon (at the top right corner of Google Chrome), select "Tools" and click on "Extensions". Locate all recently-installed suspicious browser add-ons, select these entries and click the trash can icon.

Removing Istreamer ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the istreamer adware, reset your Google Chrome browser settings. Click the Chrome menu icon Google 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.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plug-ins from Mozilla Firefox:

Removing Istreamer ads from Mozilla Firefox step 1

Click the Firefox menu firefox menu icon (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.

Removing Istreamer ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with istreamer adware removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

removing adware from safari step 1 - accessing preferences

Make sure your Safari browser is active, click Safari menu, and select Preferences....

removing adware from safari step 2 - removing extensions

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...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing adware from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) 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.

Removing adware from Microsoft Edge step 2

Optional method:

If you continue to have problems with removal of the istreamer adware, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

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.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of adware while downloading free software sampleCommonly, 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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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.

QR Code
Istreamer adware QR code
Scan this QR code to have an easy access removal guide of Istreamer adware on your mobile device.
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