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Remove Internet Optimizer (Removal Guide) - updated Aug 2020

removal by Ugnius Kiguolis - - | Type: Adware

Internet Optimizer is an adware program that relies on internetoptimizer.exe to run in the system's background

Internet Optimizer virusInternet Optimizer is a malicious program which, once installed, starts redirecting its victims to questionable sites. The cyber threat is related to DyFuCa – spyware used to collect users' private information. It also has secondary functions like malware downloader and installer. A fake optimizer can easily install additional content, like browser extensions, plug-ins or add-ons, on the system to be able to show various advertisements when you browse the Internet. Once attached to your web browser, InternetOptimizer generates numerous advertisements including such slogans: “Ads by XXX,“ “Brought to you by XXX,“ “XXX Ads,“ “Powered by XXX.” Make sure you ignore them to protect yourself from redirects to infected websites.

Name Internet Optimizer
Type Adware
Related to DyFuCa
  • Delivers numerous pop-up ads;
  • Installs bogus extensions, and unsafe programs;
  • Causes system crashes 
Affects Every browser installed on Windows OS
Distribution Malicious websites, software bundles, deceptive ads
Elimination Use Reimage Reimage Cleaner Intego for general system cleaning

The application has been promoted as a legitimate tool that is beneficial for computer's speed and well being. However, despite the attractive appearance and catchy offers, the PUP brings no positive features. These links it displays are shady and can reroute you to malicious websites offering you to install free updates or fake optimization tools. 

Another harmful effects related to this adware is that it slows down your device because it uses numerous system's resources to generate pop-up ads. If you're interested in the computer's security experts opinion, it is strongly recommended to avoid clicking on these pop-up windows, banners and different commercial content because it can result in the installation of additional malware on your computer.

The main reason to avoid clicking on these advertisements is that it may result in the automatic execution of another virus. Unfortunately, Internet Optimizer virus has already been found to be related to a malicious DyFuCa virus categorized as spyware. The program is known for collecting users' information and then misusing it for developer's needs. Your email accounts or messaging applications can be accessed what can lead you to privacy issues.

DyFuCa's relation with Internet Optimizer makes this PUP even more dangerous. In addition to various changes in the system, the spyware drops certain files and becomes even more persistent:

  • srvbwfwngw.exe;
  • srveghcxhp.exe;
  • offun.exe;
  • tcb.pmw.

As you can see, Internet Optimizer virus is not a tool you want to keep on your computer. It has no pros and causes numerous problems by running its malicious process in the background and trying to gain profit[1] by displaying numerous ads.

You should remove Internet Optimizer because of the following reasons:[2]

  • each click on the browser creates new tabs or windows with commercial sites;
  • the virus injects commonly visited sites with banners and similar commercial content;
  • it tracks users' searches and collects NPII.

Employ a trustworthy anti-malware for Internet Optimizer removal and clean the system to make sure that there are no compromised files left. Remember to fix issues with your browser by setting everything back to default. You can find a few program suggestions and tips for browser resetting down below.

Internet OptimizerInternet Optimizer is a potentially unwanted program that displays sponsored content and affects the speed of your PC.

Malware creators spread adware silently via deceptive ads and software bundles

Nowadays, the creators of unnecessary advertisement applications are very creative when it comes to spreading these programs seamlessly. They tend to use a popular and tricky freeware marketing method – bundling. It means that with some at first glance harmless program you will also receive additional applications, plug-ins, add-ons or browser extensions. You will probably won't even notice when did you decide to authorize the installation of this content – most likely you rushed and didn't choose the right installation settings.

The developers of freeware and shareware conceal additional applications under Standard or Default options. If you want to decline the installation of such additional content, you should always opt for Custom or Advanced mode. When the window expands, untick all boxes that suggest additional applications, plug-ins, browser extensions, as well as changes to your default web home page.

When it comes to more prominent and dangerous cyber threats which this PUP might be related to distribution ways are similar. However, dubious pages ask to enable processes or installations and agree to terms and conditions. You shouldn't agree to anything when browsing questionable sites. Keep anti-malware tools on the system so you can be indicated each time something possibly malicious happens. 

Delete InternetOptimizer from the system and clean your browser

If you noticed the InternetOptimizer advertisements continuously showing up, you should waste no time and secure your computer. It is quite easy when you know how to do it. You can either download an anti-spyware and let it do its work, or you can try to uninstall the virus on your own.

Our professional team, based on researchers'[3] advice, has prepared precise step-by-step instructions. Follow these guidelines below the article, and you'll get rid of the irritative ads in no time. Remove Internet Optimizer from the computer and then change browser settings to default.

Perform Internet Optimizer removal with anti-malware tools and save your time. This way you can be sure that no adware remains in the system and you can use the computer as usual again.

You may remove virus damage with a help of Reimage Reimage Cleaner Intego. SpyHunter 5Combo Cleaner and Malwarebytes are recommended to detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

do it now!
Reimage Happiness
Intego Happiness
Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage Intego, submit a question to our support team and provide as much details as possible.
Reimage Intego has a free limited scanner. Reimage Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

To remove Internet Optimizer, follow these steps:

Eliminate Internet Optimizer from Windows systems

Get rid of the bogus Internet Optimizer tool from your Windows OS supporting device:

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs). Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall Internet Optimizer and related programs
    Here, look for Internet Optimizer or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'

Uninstall Internet Optimizer from Internet Explorer (IE)

Remember to reset the browser to default, so it works as usual:

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for Internet Optimizer and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete Internet Optimizer removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again

Remove Internet Optimizer from Microsoft Edge

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, Internet Optimizer should be removed from your Microsoft Edge browser.

Get rid of Internet Optimizer from Mozilla Firefox (FF)

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select Internet Optimizer and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  4. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete Internet Optimizer removal. Click on 'Reset Firefox' button for a couple of times

Delete Internet Optimizer from Google Chrome

Clean your Chrome after successful Internet Optimizer removal:

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select Internet Optimizer and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  4. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  5. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  6. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  7. Click Reset to confirm this action and complete Internet Optimizer removal. Click on 'Reset' button to complete your removal

Do not let government spy on you

The government has many issues in regards to tracking users' data and spying on citizens, so you should take this into consideration and learn more about shady information gathering practices. Avoid any unwanted government tracking or spying by going totally anonymous on the internet. 

You can choose a different location when you go online and access any material you want without particular content restrictions. You can easily enjoy internet connection without any risks of being hacked by using Private Internet Access VPN.

Control the information that can be accessed by government any other unwanted party and surf online without being spied on. Even if you are not involved in illegal activities or trust your selection of services, platforms, be suspicious for your own security and take precautionary measures by using the VPN service.

Backup files for the later use, in case of the malware attack

Computer users can suffer various losses due to cyber infections or their own faulty doings. Software issues created by malware or direct data loss due to encryption can lead to problems with your device or permanent damage. When you have proper up-to-date backups, you can easily recover after such an incident and get back to work.

It is crucial to create updates to your backups after any changes on the device, so you can get back to the point you were working on when malware changes anything or issues with the device causes data or performance corruption. Rely on such behavior and make file backup your daily or weekly habit.

When you have the previous version of every important document or project you can avoid frustration and breakdowns. It comes in handy when malware occurs out of nowhere. Use Data Recovery Pro for the system restoring purpose.

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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Contact Ugnius Kiguolis
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  1. Advanced user says:
    March 4th, 2004 at 8:15 pm

    The EULA at Internet Optimizer's web site states the software may send all your browsing information back to its controllers. At the time of writing, however, this has not been seen to happen with the current version of the software.
    Can download and execute arbitrary unsigned code from its controlling server, as an update feature.

  2. Brad Swain says:
    May 19th, 2004 at 2:05 pm

    This software is nothing but SPAM. It provides NO useful function and redirects the screen away from the intended URL to a commercially oriented 'error' page when there is no actual error.

  3. Harley Kelchner says:
    June 6th, 2004 at 1:06 am

    All software of this nature should be viewed as a direct attack on all personal rights and the developing companys should be held HIGHLY responsible since this software does little other than create major system malfunctions.

    The advertising industry should have THE largest class-action lawsuit brought against it for their blatant missuse of public interests.

  4. Guest says:
    December 9th, 2004 at 2:12 pm

    Hi, i guess i was not the only victim of this Internet Optimizer rubish thing lol, i have no idea how it got to my computer but i guess its not me to blame sinse u all had the trouble, i hope ppl who monitor internet will sort this optimiser, i have e-mailed yogeeee company who is linked with the internet optimiser their e-mail is you can e-mail to that person whoever and ask why it always comes up, i said to them to tell me how to get rid of this rubish, hopefully they have strength to reply well take care all.

  5. Guest says:
    December 21st, 2004 at 12:12 pm

    I agree with the comment that the advertising industry and specifically the creators of the spyware should be held fully liable for the damage caused by their creations. They may have a right to pursue their trade and profession. They do not have a right, however, to trespass upon and, effectively convert, others' property, such as a computer or computer network. Thought for the day: I'll bet this could be seen as fraud, or violation of state or federal computer crimes statutes.

  6. HadeS_73 says:
    February 5th, 2005 at 4:02 pm

    If justice was for the people it would be hitting yogee instead of p2p , not only it install without my permission , but i can't uninstall it trough stander window uninstall . anybody got a real street addresse for those yogee ..? if you do e-mail me :

  7. Tony V says:
    February 8th, 2005 at 11:02 am

    Like the stupid company really thinks they are going to get hits to their sites, as well as sell any products or services by hijacking your system… This is worse then monopolizing. This is an out right virus to your pc…… But there is nothing you can do about it because we all know where you got it. Probably included in that illegal download you did.

  8. mik says:
    February 9th, 2005 at 6:02 pm

    above is a link to the removal of this god damn awful bloody program.

    but when i click on it

    guess what
    it links me to INTERNET OPTIMIZER

  9. dricenticore says:
    February 15th, 2005 at 4:02 am

    I can't get rid of it
    No one can help, because ive tried every remover there is . dang.

  10. Guest says:
    February 25th, 2005 at 1:02 pm

    I found that Ad-aware 6.0 was able to remove it. It deletes the file optimizer.exe at boot up.

  11. Guest says:
    March 9th, 2005 at 11:03 pm

    This is who they are:
    Avenue Media (
    Avenue Media
    New Haven Office Center Emancipatie Blvd 31, P.O. Box 6052
    Curacao, 00000
    5999 734 1200

    Domain Name:

    Administrative, Billing Contact:
    Avenue Media (
    Avenue Media
    New Haven Office Center Emancipatie Blvd 31, P.O. Box 6052
    Curacao, 00000
    5999 734 1200

    Technical Contact:
    Avenue Media (
    Avenue Media
    New Haven Office Center
    Curacao, NONE 00000

    Record created on Dec 19 2002.
    Record expires on Dec 19 2005.
    Domain servers:

    The previous information has been obtained either directly from the registrant or a registrar of the domain name other than Network Solutions. Network Solutions, therefore, does not guarantee its accuracy or completeness.

    Show underlying registry data for this record

    Current Registrar: TLDS, LLC DBA SRSPLUS
    IP Address: (ARIN & RIPE IP search)

    Record Type: Domain Name
    Server Type: Apache 1
    Lock Status: REGISTRAR-LOCK
    Web Site Status: Active
    DMOZ no listings
    Y! Directory: see listings

    Secure: No
    E-commerce: No
    Traffic Ranking: 1
    Data as of: 08-Jun-2004

  12. lisa kincaid says:
    March 10th, 2005 at 9:03 pm

    internet optimizer has screwed my system! publicize that !

  13. sohail says:
    March 15th, 2005 at 4:03 am

    it is a good thing that some one like to remove these shit heads from pc

  14. peter walsh says:
    March 15th, 2005 at 8:03 am

    If anyone is having trouble deleting Internet optimizer the first thing to do is to stop the programme from running. In windows XP you can do the three fingered salute (Ctrl Alt Del) and go into task manager. In the application tab you can stop the application running. Then you will have to go to the Processes tab and you will see under the column “Image name” the file ” optimizer.exe. Highlight the file and right click and select “end process”. You should be able to then delete the folder “Internet Optimizer”. Remember to empty the recycling bin.

    If you dont have windows XP facilities I use a nice little programme named Taskinfo2000, which can be found at You simply run the programme and Highlight the file optimizer.exe. and right click and select “end process”. You should be able to then delete the folder “Internet Optimizer”.

  15. ST says:
    March 24th, 2005 at 6:03 am

    Thanks for the tip pete..that optimizer site should be hacked and bought down from the net!

  16. BassPlyr Randy says:
    March 27th, 2005 at 6:03 am

    If all else fails, start your system in safe mode and then goto C:Program FilesInternet Optimizer and delete the dirty little SOB that way. Was the only way I could get rid of it

  17. an anonymous user says:
    April 1st, 2005 at 12:04 am

    i cant believe, with all my 100s of dollars of virus protection software i still managed to get it 🙁

    oh well, considering all the dodgy sites i go onto…

  18. Anton says:
    April 1st, 2005 at 3:04 pm

    It drove me mad but I finally got rid of it by downloading Ad Aware of the net. It is an excellent piece of software that finds all the spyware on your machine and then deletes it for you. The best bit is that the software is free.

  19. the best kept one says:
    April 2nd, 2005 at 8:04 am

    My optimizer stayed on there for about a day, then a little alert box came up that said “this will remove internet explorer from your system. Are you sure you want to do that?” or somthing like that.
    but after that i was able to remove it

    but i found out that it was the yahoo pool cheat from that my brother downlloaded. DONT GO THERE.

    it also infected my compy with 5 other viruses (i manged to remove 4, including internet optimizer)

    but theres still this annoying one called autoupdate that wont go away.

    i hate it when people think its fun to ruin somone elses computer. thats pretty low class.

  20. greg says:
    April 4th, 2005 at 10:04 pm

    this is so frustrating, my kids downloaded this crap, thanks i did the crtl alt del, got into process the optimiser.exe , ended this and found Internet optimiser in Programs file deleted this and its gone THANKYOU!

  21. Guest says:
    April 21st, 2005 at 10:04 am

    ctxpls.exe was also installed with it. And lots of adware.

  22. Guest says:
    May 3rd, 2005 at 7:05 am

    I think we should start providing company and employee names and addresses and start a lynchin party…

    I predict this will become the 21st century equivilant to “going Postal” of the 20th century.

  23. Guest says:
    May 9th, 2005 at 12:05 am

    I just got this spyware a few days ago and every removal suggestion on the internet doesnt help at all. I will be in your debt forever if you explain how to remove this latest version.

  24. Guest says:
    May 13th, 2005 at 10:05 am

    I cannot EVER get into one particular link with Yahoo Business Email to change an email forward setting. I ALWAYS get redirected to the internet optimizer site stating that “it” cannot find the link (URL). I have emailed Yahoo about this several times with NO response. I will download the software and see where that puts me.

  25. Guest says:
    May 18th, 2005 at 10:05 am

    Hey, the email address you have on this site goes to a porno search page–oh shame on you shame oh you–what a scam! You use a legitimate excuse to send innocent people to such a site. I am going on my email groups and tell everyone about you. Oh, by the way, my email groups have no less than a 1000 people on each on.

    the web page you have people directed to is:

  26. Guest says:
    June 1st, 2005 at 12:06 pm

    i have tried everything to get rid of internet optimizer but your instructions helped so much it is finally off of my computer. thank you.

  27. Guest says:
    June 3rd, 2005 at 10:06 am

    Ok. im serching around on the net trying to find a way to deleat these viruses….
    atleast once a day AVG7 (grisoft antivirus program), pops up and tells me it has found a virus in “C:/Temp/optomiser.exe” the virus name is “Trojan Horse Downloader.Difica.3.R”
    And also “C:/Temp/NCasePackage.exe” supporting virus “Trojan Horse Dropper.Small.12.S”
    and obviously when it askes me what i wish to do, i choose to annihilate the files……

    But the point I am getting at, is that the file keeps coming back.
    I deleat C:/temp…
    there is no such thing as C:/program files/internet optimiser.

    What the hell is going on…. YES i can DELEAT OPTIMSER.EXE… but what i want to know is HOW DO I STOP IT FROM COMING BACK…

    because im guessing that for many people, this thing probably comes back, but they just dont know about it.

    for the file to keep coming back, generally means that there is Something ELSE, on my system that is causing the problem……

    GRRR i HATE VIRUS…. es…

    Does anyone ACTUAlly know how to fix this properly…

    My Machine Supports:
    – Spybot – Search & Destroy
    – AVGfree 7.(whatever the latest udate is)
    – Ad-Aware SE Personal
    – Registry First Aid
    – PC-Cillin…. non of these have fixed my problem properly so far, so dont say that they will….

    as of yet… AVG has been the best, because atleast it tells me when optimiser appears and trys to load, and i can get rid of it before it gets a chance.

    And this is not particularly important (getting rid of it is). But does anyone know what these viruses are ment to achieve?

  28. Guest says:
    June 7th, 2005 at 8:06 pm

    your advice was the best one i got and it was simple. thanks.

  29. Guest says:
    June 19th, 2005 at 11:06 am

    Try not to download extra stuff and do it the way peter suggested – simple and you dont have to worry about possibly downloading more bugs

  30. Guest says:
    July 10th, 2005 at 11:07 am

    Thank you for the great advice on deleting this stupid freakin program. My virus software had it handled and caught it before it did any damage but it was annoying none the less. I appreciate the help.

  31. Guest says:
    July 14th, 2005 at 6:07 am

    THis is the most pathetic speed optimiser one should ever download . I have to get rid of tis thing right away

  32. Guest says:
    July 15th, 2005 at 3:07 am


  33. Guest says:
    July 17th, 2005 at 2:07 pm

    its sucks it slows my computer down when i want it to be fast.

  34. Guest says:
    July 29th, 2005 at 12:07 pm

    I dont like this spyware.Its so STUPID to make such site!

  35. Guest says:
    July 31st, 2005 at 5:07 pm

    where do I find his instructions on how to remove internet optimizer?

  36. Guest says:
    August 11th, 2005 at 1:08 pm

    I have a cable connection and now this virus has slowed down my internet so much. Worse than dial up

  37. Guest says:
    August 31st, 2005 at 3:08 pm

    i found that by revealing hidden files and deleting internet optimizer and all associated file i was able to kill this silly really badly made spyware trojan piece of crap and made sure it didnt come back. by the way be careful if u d/l download accelerator plus coz this lil app usually comes with it.

  38. Guest says:
    December 7th, 2005 at 10:12 am

    aarrrrrhhhhhhhh this stupid Internet Optimizer makes me panic.
    can this spyware damage my file?

  39. Guest says:
    April 25th, 2006 at 6:04 pm

    Please Try to ease down on this program because when i type in a site all i get is internet optimizer!!

Your opinion regarding Internet Optimizer