How to remove apps that change browser settings to d2sri.com
Written by Tomas Meskauskas on (updated)
What is d2sri.com?
d2sri.com is the address of a fake search engine, which is promoted by various potentially unwanted applications (PUAs) including browser hijackers, adware-type apps.
One PUA promoting d2sri.com is called ElementaryUnit. In summary, most users do not use fake search engines intentionally - they are forced to do so by potentially unwanted application installed on browsers and/or computers. Generally, users do not download or install PUAs intentionally.
Search engines like d2sri.com are classified as fake because they do not generate unique results, or they generate those that might include links to other untrusted pages. Fake search engines can also display results generated by legitimate search engines.
When used, d2sri.com provides results generated by Yahoo (it simply redirects users to search.yahoo.com). Note that 2sri.com redirects users to search.yahoo.com via chunckapp.com, another untrusted address.
In most cases, apps that promote fake search engines change settings such as the address of the default search engine, homepage, and new tab, and they do not allow users do undo these changes. The only solution is to uninstall the rogue apps.
Therefore, d2sri.com can be removed from browser settings only when the PUA (in this case, ElementaryUnit) is no longer installed. PUAs can also collect browsing-related, and other, details. For example, IP addresses, URLs of visited pages, entered search queries, geolocations and other browsing data, or even sensitive information.
The data is sold to third parties (potentially, cyber criminals) or misused to generate revenue in other ways. Sites such as d2sri.com are also promoted by apps that serve ads (e.g., coupons, banners, surveys, pop-ups). If clicked, these ads can open untrusted sites or even execute scripts that download and install unwanted software.
| Name | d2sri.com browser hijacker |
| Threat Type | Browser hijacker, Mac malware, Mac virus. |
| Symptoms | Your Mac becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites. |
| Distribution methods | Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers, torrent file downloads. |
| Damage | Internet browsing tracking (potential privacy issues), displaying of unwanted ads, redirects to shady websites, loss of private information. |
| Malware Removal (Mac) | To eliminate possible malware infections, scan your Mac with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. |
There are many fake search engines online. Some more examples are 6v5f3l.com, search.locatorunit.com and search.productivebrowser.com. Generally, they appear in browser settings after installation of adware, browser hijackers or other types of PUAs.
In any case, do not use fake search engines or apps that promote them. As mentioned, users mostly download and install PUAs inadvertently.
How did d2sri.com install on my computer?
Research shows that some of the apps designed to promote d2sri.com are distributed via fake Adobe Flash Player installers. These installers are often used to distribute malware including ransomware and Trojans, as well as PUAs.
Browser hijackers, adware-type apps, and other types of PUAs are commonly distributed by integrating them into the download and/or installation set-ups of other programs, so that a proportion of users inadvertently download and install them together with their chosen software. This distribution method is known as "bundling".
Offers to download and install additionally-included apps usually appear in "Advanced", "Custom" and other settings of the set-ups (where they can usually be declined). Many users fail to check and change these settings, thereby granting permission for PUAs to be downloaded and installed by default.
In addition, unwanted downloads and installations are sometimes caused by clicking deceptive advertisements capable of executing certain scripts.
How to avoid installation of potentially unwanted applications
You are advised to research all software before download/installation. Use only official and verified download channels. Unofficial and free file-hosting websites, Peer-to-Peer sharing networks (BitTorrent, Gnutella, eMule), and other third party downloaders commonly offer harmful and bundled content, and are therefore untrusted and should be avoided.
When downloading/installing, read the terms, study all possible options, use the "Custom/Advanced" settings and opt-out of additional apps, tools, features, and so on. Intrusive advertisements typically seem legitimate, however, they can redirect to dubious and malicious sites (e.g. gambling, pornography, adult-dating, and many others).
If you encounter ads or redirects of this kind, inspect the system and remove all dubious applications and browser extensions/plug-ins immediately. If your computer is already infected with browser hijackers, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate them.
One of the applications (ElementaryUnit) used to distribute d2sri.com installed on Safari:
Fake Adobe Flash Player installer used to distribute ElementaryUnit:
Instant automatic Mac malware removal:
Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of Mac malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner for Mac
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. Limited seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.
Quick menu:
- What is d2sri.com?
- STEP 1. Remove d2sri.com related files and folders from OSX.
- STEP 2. Remove d2sri.com redirect from Safari.
- STEP 3. Remove d2sri.com browser hijacker from Google Chrome.
- STEP 4. Remove d2sri.com homepage and default search engine from Mozilla Firefox.
Video showing how to remove adware and browser hijackers from a Mac computer:
d2sri.com redirect removal:
Remove d2sri.com-related potentially unwanted applications from your "Applications" folder:
Click the Finder icon. In the Finder window, select "Applications". In the applications folder, look for "MPlayerX", "NicePlayer", or other suspicious applications and drag them to the Trash. After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.
Remove browser hijacker-related files and folders
Click the Finder icon from the menu bar. Choose Go, and click Go to Folder...
Check for browser hijacker generated files in the /Library/LaunchAgents/ folder:
In the Go to Folder... bar, type: /Library/LaunchAgents/
In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by browser hijackers - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Browser hijacker commonly installs several files with the exact same string.
Check for browser hijacker generated files in the ~/Library/Application Support/ folder:
In the Go to Folder... bar, type: ~/Library/Application Support/
In the "Application Support" folder, look for any recently-added suspicious folders. For example, "MplayerX" or "NicePlayer", and move these folders to the Trash.
Check for browser hijacker generated files in the ~/Library/LaunchAgents/ folder:
In the Go to Folder... bar, type: ~/Library/LaunchAgents/
In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by browser hijackers - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Browser hijacker commonly installs several files with the exact same string.
Check for browser hijacker generated files in the /Library/LaunchDaemons/ folder:
In the "Go to Folder..." bar, type: /Library/LaunchDaemons/
In the "LaunchDaemons" folder, look for recently-added suspicious files. For example "com.aoudad.net-preferences.plist", "com.myppes.net-preferences.plist", "com.kuklorest.net-preferences.plist", "com.avickUpd.plist", etc., and move them to the Trash.
Scan your Mac with Combo Cleaner:
If you have followed all the steps correctly, your Mac should be clean of infections. To ensure your system is not infected, run a scan with Combo Cleaner Antivirus. Download it HERE. After downloading the file, double click combocleaner.dmg installer. In the opened window, drag and drop the Combo Cleaner icon on top of the Applications icon. Now open your launchpad and click on the Combo Cleaner icon. Wait until Combo Cleaner updates its virus definition database and click the "Start Combo Scan" button.
Combo Cleaner will scan your Mac for malware infections. If the antivirus scan displays "no threats found" - this means that you can continue with the removal guide; otherwise, it's recommended to remove any found infections before continuing.
After removing files and folders generated by the browser hijackers, continue to remove rogue extensions from your Internet browsers.
Remove browser hijackers from Internet browsers
Remove Safari browser hijackers:
Open the Safari browser, from the menu bar, select "Safari" and click "Preferences...".
In the preferences window, select "Extensions" and look for any recently-installed suspicious extensions. When located, click the "Uninstall" button next to it/them. Note that you can safely uninstall all extensions from your Safari browser - none are crucial for regular browser operation.
Change your homepage:
In the "Preferences" window, select the "General" tab. To set your homepage, type the preferred website URL (for example: www.google.com) in the Homepage field. You can also click the "Set to Current Page" button if you wish to set your homepage to the website you are currently visiting.
Change your default search engine:
In the "Preferences" window, select the "Search" tab. Here you will find a drop-down menu labeled "Search engine:" Simply select your preferred search engine from the drop-down list.
- If you continue to have problems with browser redirects and unwanted advertisements - Reset Safari.
Remove Google Chrome browser hijackers:
Click the Chrome menu icon 
(at the top right corner of Google Chrome), select "More Tools" and click "Extensions". Locate all recently-installed suspicious extensions, select these entries and click "Remove".
Change your homepage
Click the Chrome menu icon (at the top right corner of Google Chrome) and select "Settings". In the "On startup" section, disable the malicious extension (if present), look for a browser hijacker URL below the "Open a specific or set of pages" option. If present, click on the three vertical dots icon and select "Remove".
Change your default search engine:
To change your default search engine in Google Chrome: Click the Chrome menu icon (at the top right corner of Google Chrome), select "Settings", in the "Search engine" section, click "Manage search engines...", in the opened list look for a browser hijacker URL, when located click the three vertical dots near this URL and select "Delete".
- If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.
Remove malicious extensions from Mozilla Firefox:
Click the Firefox menu 
(at the top right corner of the main window) and select "Add-ons and themes". Click "Extensions", in the opened window locate all recently-installed suspicious extensions, click on the three dots and then click "Remove".
Change your homepage
To reset your homepage, click the Firefox menu (at the top right corner of the main window), then select "Settings", in the opened window disable malicious extension (if present), remove the browser hijacker URL and enter your preferred domain, which will open each time you start Mozilla Firefox.
Change your default search engine:
In the URL address bar, type "about:config" and press Enter. Click "Accept the Risk and Continue".
In the search filter at the top, type: "extensionControlled". Set both results to "false" by either double-clicking each entry or clicking the 
button.
- If you continue to have problems with browser redirects and unwanted advertisements - Reset Mozilla Firefox.
Outstanding!
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