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Danger level 3
Type: Potentially Unwanted Application

OpenSub Search

OpenSub Search is a search tool that is introduced by Becovi Ltd. From what we have observed, this is the first suspicious piece of software to come from this company, but to be fair, we do not know of any other tools that are associated with it, and so we cannot speak on their trustworthiness. We have, however, analyzed the suspicious extension in depth, and the conclusion is that it is a PUP (potentially unwanted program). We always recommend deleting PUPs, but of course, it is your decision whether or not you remove OpenSub Search. In this report, we talk about how the PUP is presented, what privacy policies it follows, and how it acts once installed. Of course, we also discuss the different techniques that can be employed to eliminate this potentially unwanted program. If you want to learn more about this, please keep reading. And do not hesitate to communicate with us via the comments section if you want expert advice of anything malware or PUP related.

There is a good chance that you might have downloaded OpenSub Search from the Chrome Web Store ( Here, the PUP is introduced as a beneficial “default search engine” that can manage “Chrome default search settings.” It is also stated that you would be supporting a website by using the extension. Which website is that? Most likely, it is, which is the search tool that replaces the default search provider after the installation of OpenSub Search. The interface of this website is quite uninspired, and you are most likely to forget how it looks the second you close it. The truth is that the creator of this search tool did not need to make it extravagant or unique. Its only purpose is to show you ads, and that is what you get after entering search keywords into the dialog box. The results you are shown are unique to the engine, which is already a good sign. That, however, does not mean that you should trust it. Our team has looked at the search tool, and there are a few things to go over.

When you search via the address bar of the browser that OpenSub Search is installed onto, you are automatically redirected to Before you start using and trusting any search tool, you need to figure out whether or not it is trustworthy, and that is always easier said than done. A good place to start the process is the Privacy Policy, which, thankfully, is linked at the bottom of the search engine. According to one statement, the company behind OpenSub Search can collect and share your personal data with “trusted service providers” to “perform certain services” and to offer products. Although the involved third parties are, allegedly, “trusted,” how can you know if that is truly the case? Unfortunately, the third parties are not disclosed, and so it is hard to say how trustworthy they truly are. Also, can they be trusted with personal data? Can the creator of the PUP be trusted with your personal data? Given that the services provided by his tool are very limited, you need to ask yourself if you want to continue using a not-so-useful tool that collects personal data and works with unknown parties.

If you decide to delete OpenSub Search from your operating system, you have to choose a path that will lead you to success. Some users will be able to clean their systems manually, while others will need the help of legitimate anti-malware software. Removing OpenSub Search manually is not a difficult process, and we are sure that you can successfully get rid of this PUP on your own. You should be able to clear browsing data and delete data-tracking web cookies yourself too. However, we do not recommend taking this option if there are other threats that you need to erase, or if your operating system is vulnerable overall. In these cases, implementing anti-malware software might be the best decision. The right software will automatically erase all threats, and you will not need to do it on your own. Moreover, your overall system’s security will be strengthened.

OpenSub Search Removal

  1. Open Google Chrome.
  2. Tap Alt+F.
  3. Click More tools->Extensions.
  4. Remove the PUP.
  5. Tap Alt+F keys again.
  6. Click More tools->Clear browsing data.
  7. Click Advanced.
  8. Choose time range and boxes.
  9. Click Clear data.
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  1. Alice Feb 7, 2022

    The website in question you are "supporting" is

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