DefaultOptimization is why there is an increase in adverts being shown on your screen

Detected by virus removal programs like Avast, Kaspersky, Malwarebytes, AVG, Symantec as DefaultOptimization, it is an adware program whose primary purpose is to display advertisements on your screen. Adware isn’t the most serious infection you could get. While we don’t think it to be damaging, it will be a very annoying inconvenience. The main clues of adware are usually an increase in advertisements when browsing, strange redirects, and suspicious pop-ups. Even if adware itself isn’t particularly harmful, it may be a different case with the adverts it displays. Adware adverts might display you tech-support scams, malicious software, and fake giveaways.

DevModule adware

Software bundling is commonly how adware installs. Adware, as well as other infections, comes adjoined as an additional offer to free software. Since many users are uninformed of the them, they accidentally allow the offers to install, despite them not being obligatory. If you continue to the proceeding section of the article, we will explain how to avoid installing these unwanted offers.

Adware distribution methods

As users would not install it intentionally, adware uses software bundling to install. Using this method, users install adware accidentally, as it comes as an extra offer adjoined to popular free programs. While the offers are not compulsory, they are made to install by default and concealed, which is why this way of distribution is fairly frowned upon. Because users rarely pay attention to how they install software, they do not notice those offers.

These unnecessary installations are easily preventable, if you pay attention to how you install program. When asked to pick either Advanced (Custom) or Default, opt for Advanced. Those settings will show all adjoined offers, and you’ll have the option of unchecking them.

Adware could expose to harmful ads

Adware is not harmless, but compared to severe malware, the harm caused directly would be minimal. Once adware has added itself to main browsers you use (Internet Explorer, Google Chrome and Mozilla Firefox), an increase in adverts will be very evident. Since adware generated advertisements aren’t safe, we highly suggest you avoid interacting with any while adware is installed. There are some you have to be careful about the most. Tech-support scams, advertisements bogus update alerts, and pop-ups that declare you’ve been been given an opportunity to participate in a giveaway are what you ought to lookout for the most. If you aren’t cautious, your personal and financial information might be stolen, and your device could get infected with malware.

The adware is identified as DefaultOptimization by anti-virus programs such as Avast, Kaspersky, Symantec, Malwarebytes, and AVG. Using anti-virus software to erase DefaultOptimization would be simplest.

How to uninstall DefaultOptimization

If you have little experience with devices, it may be easiest to use virus removal software to uninstall DefaultOptimization. You can try to erase DefaultOptimization manually but adware could restore if any leftover files remain.


More information about SpyWarrior and Uninstall Instructions. Please review SpyWarrior EULA and Privacy Policy. SpyWarrior scanner is free. If it detects a malware, purchase its full version to remove it.

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Quick Menu

Step 1. Uninstall DefaultOptimization and related programs.

Remove DefaultOptimization from Windows 8

Right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel choose Programs and Features and select to Uninstall a software.

Delete DefaultOptimization from Windows 8

Uninstall DefaultOptimization from Windows 7

Click Start → Control Panel → Programs and Features → Uninstall a program.

Uninstall DefaultOptimization from Windows 7

Delete DefaultOptimization from Windows XP

Click Start → Settings → Control Panel. Locate and click → Add or Remove Programs.

Remove DefaultOptimization from Windows XP

Remove DefaultOptimization from Mac OS X

Click Go button at the top left of the screen and select Applications. Select applications folder and look for DefaultOptimization or any other suspicious software. Now right click on every of such entries and select Move to Trash, then right click the Trash icon and select Empty Trash.

DefaultOptimization removal from MAC OS X

Step 2. Delete DefaultOptimization from your browsers

Terminate the unwanted extensions from Internet Explorer
  1. Tap the Gear icon and go to Manage Add-ons. DefaultOptimization IE gear
  2. Pick Toolbars and Extensions and eliminate all suspicious entries (other than Microsoft, Yahoo, Google, Oracle or Adobe) DefaultOptimization IE toolbars and extensions
  3. Leave the window.
Change Internet Explorer homepage if it was changed by virus:
  1. Tap the gear icon (menu) on the top right corner of your browser and click Internet Options. DefaultOptimization IE gear
  2. In General Tab remove malicious URL and enter preferable domain name. Press Apply to save changes. DefaultOptimization IE toolbars and extensions
Reset your browser
  1. Click the Gear icon and move to Internet Options. DefaultOptimization IE options
  2. Open the Advanced tab and press Reset. DefaultOptimization IE reset browser
  3. Choose Delete personal settings and pick Reset one more time. DefaultOptimization IE reset
  4. Tap Close and leave your browser. DefaultOptimization IE close
  5. If you were unable to reset your browsers, employ a reputable anti-malware and scan your entire computer with it.
Erase DefaultOptimization from Google Chrome
  1. Access menu (top right corner of the window) and pick Settings. DefaultOptimization Chrome menu
  2. Choose Extensions. DefaultOptimization Chrome settings
  3. Eliminate the suspicious extensions from the list by clicking the Trash bin next to them. DefaultOptimization Chrome extensions remove
  4. If you are unsure which extensions to remove, you can disable them temporarily. DefaultOptimization Chrome extensions disable
Reset Google Chrome homepage and default search engine if it was hijacker by virus
  1. Press on menu icon and click Settings. DefaultOptimization Chrome menu
  2. Look for the “Open a specific page” or “Set Pages” under “On start up” option and click on Set pages. DefaultOptimization Chrome settings
  3. In another window remove malicious search sites and enter the one that you want to use as your homepage. DefaultOptimization Chrome extensions remove
  4. Under the Search section choose Manage Search engines. When in Search Engines..., remove malicious search websites. You should leave only Google or your preferred search name. DefaultOptimization Chrome extensions disable
    DefaultOptimization Chrome extensions disable
Reset your browser
  1. If the browser still does not work the way you prefer, you can reset its settings.
  2. Open menu and navigate to Settings. DefaultOptimization Chrome settings more
  3. Press Reset button at the end of the page. DefaultOptimization Chrome advanced menu
  4. Tap Reset button one more time in the confirmation box. DefaultOptimization Chrome reset
  5. If you cannot reset the settings, purchase a legitimate anti-malware and scan your PC.
Remove DefaultOptimization from Mozilla Firefox
  1. In the top right corner of the screen, press menu and choose Add-ons (or tap Ctrl+Shift+A simultaneously). DefaultOptimization Firefox add ons
  2. Move to Extensions and Add-ons list and uninstall all suspicious and unknown entries. DefaultOptimization Firefox extensions
Change Mozilla Firefox homepage if it was changed by virus:
  1. Tap on the menu (top right corner), choose Options. DefaultOptimization Firefox reset confirm
  2. On General tab delete malicious URL and enter preferable website or click Restore to default. DefaultOptimization Firefox reset confirm
  3. Press OK to save these changes.
Reset your browser
  1. Open the menu and tap Help button. DefaultOptimization Firefox help
  2. Select Troubleshooting Information. DefaultOptimization Firefox troubleshooting
  3. Press Refresh Firefox. DefaultOptimization Firefox reset
  4. In the confirmation box, click Refresh Firefox once more. DefaultOptimization Firefox reset confirm
  5. If you are unable to reset Mozilla Firefox, scan your entire computer with a trustworthy anti-malware.
Uninstall DefaultOptimization from Safari (Mac OS X)
  1. Access the menu.
  2. Pick Preferences. DefaultOptimization Safari menu
  3. Go to the Extensions Tab. DefaultOptimization Safari extensions
  4. Tap the Uninstall button next to the undesirable DefaultOptimization and get rid of all the other unknown entries as well. If you are unsure whether the extension is reliable or not, simply uncheck the Enable box in order to disable it temporarily.
  5. Restart Safari.
Reset your browser
  1. Tap the menu icon and choose Reset Safari. DefaultOptimization Safari reset menu
  2. Pick the options which you want to reset (often all of them are preselected) and press Reset. DefaultOptimization Safari reset
  3. If you cannot reset the browser, scan your whole PC with an authentic malware removal software.

Site Disclaimer is not sponsored, owned, affiliated, or linked to malware developers or distributors that are referenced in this article. The article does not promote or endorse any type of malware. We aim at providing useful information that will help computer users to detect and eliminate the unwanted malicious programs from their computers. This can be done manually by following the instructions presented in the article or automatically by implementing the suggested anti-malware tools.

The article is only meant to be used for educational purposes. If you follow the instructions given in the article, you agree to be contracted by the disclaimer. We do not guarantee that the artcile will present you with a solution that removes the malign threats completely. Malware changes constantly, which is why, in some cases, it may be difficult to clean the computer fully by using only the manual removal instructions.

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