The Clarosva browser hijacker is a rogue application that infiltrates browsers stealthily, altering settings without user consent. Like many browser hijackers, it typically manipulates search results, redirects traffic to predetermined sites, and collects user data surreptitiously. Though not expressly designed to delete or harm files, it engenders a perilous browsing environment, paving the way for potentially unwanted programs (PUPs) or even malware to further compromise the system. Moreover, the harvested data, which might include personal information, could be misused, escalating privacy concerns. Despite some hijackers portraying themselves as useful tools, Clarosva, and other ones like Chromstera and, are generally regarded as unsafe due to their intrusive nature and the security risks they pose, leading to a unanimous recommendation for immediate removal to preserve online safety and privacy.

Clarosva wants to show notification
Every time you perform a web search, a pop-up advertisement redirects you to a hyperlink labeled Clarosva

Is Clarosva safe?

The Clarosva browser hijacker is not considered safe due to its intrusive and uncontrollable behavior. Despite not being a virus, its actions, including unauthorized changes to browser settings, redirection to potentially dangerous websites, and intrusive ads, pose significant security and privacy risks. It might also facilitate the entry of other harmful software into your system. It is recommended to remove it promptly to protect your personal information and maintain a safe, controlled browsing environment.

Clarosva Virus

Despite being dubbed the ” Clarosva virus” by users, this piece of software technically isn’t a virus. It does not replicate itself to spread to other files or systems, a hallmark of viruses. Rather, it is a browser hijacker, which interferes with browser settings, redirects searches to unwanted pages, and might siphon off personal data. Though not inherently destructive, it introduces considerable security risks, such as exposure to malicious content and privacy infringement. It alters the user experience substantially, often injecting ads and sponsored content into the browser. Given these factors, it is recommended not to retain the ” Clarosva virus” on one’s PC, prioritizing system safety and user privacy over the deceptive conveniences it might offer. Removing it promptly helps maintain a secure and reliable browsing environment.

What is Clarosva?

Clarosva is a browser hijacker that isn’t inherently malicious, but can indirectly jeopardize online safety. Typically designed to generate revenue for its creators through advertising and data collection, it redirects users to specific sites and gathers sensitive data. Although the primary objective isn’t to harm, its activities often inadvertently expose users to virtual hazards, including phishing sites and scam advertisements, thus elevating the risk of personal information leakage or financial losses. Moreover, Clarosva can significantly deteriorate the browsing experience by inundating users with unwanted ads and sponsored content. Consequently, even if the initial intentions behind it aren’t overtly harmful, the collateral dangers it presents are substantial, warranting caution and urging for its removal to foster a safer browsing environment.

Clarosva Pop-ups

The Clarosva pop-ups generated by this hijacker can appear in any browser, disrupting the user experience. These pop-ups often display ads that may not accurately represent the content they link to. Clicking on them might redirect users to websites harboring phishing schemes, malware, or other scams, thus posing a significant security risk. Moreover, these deceptive ads can potentially lead to financial loss or identity theft. Due to the dangerous landscape these Clarosva pop-ups can navigate users into, it is highly advised to avoid interacting with them. The most prudent course of action is to remove the hijacker promptly, restoring browser integrity and shielding oneself from the myriad of threats presented by the misleading and potentially harmful pop-ups generated by this hijacker.

Clarosva on Chrome

Clarosva on Chrome illustrates a classic case of a browser hijacker operating stealthily, modifying browser settings without user permission. It can change your homepage, search engine, and inject unwanted ads, creating potential security weaknesses and vulnerabilities to phishing and malware attacks. It’s important to note that while Chrome might be the initially affected platform, other browsers installed on the system can also become targets, creating a pervasive threat environment. To ensure comprehensive security, users must undertake a thorough cleaning process to take care of the Clarosva on Chrome problem, and to ensure that the hijacker isn’t attached to other browsers as well. This holistic approach to removal is essential to restoring safe and secure browsing conditions, safeguarding personal data and enhancing overall cybersecurity. is central to the browser hijacker’s operation, often being the site promoted through persistent and sudden redirects. Users encountering these should exercise caution by avoiding any interaction with the site. It is noteworthy that redirects to this site frequently involve rapid transit through a series of other sketchy sites first, a tactic aimed at generating ad revenue through click fraud and to potentially deploy additional unwanted software or track user behavior. These fast, sequential redirects can compromise user safety, potentially exposing them to malware or phishing attempts. Thus, any engagement with or poses a serious risk, making it advisable to ignore such redirects and to remove the hijacker promptly to maintain a secure browsing environment.


Name Clarosva
Type Browser Hijacker
Detection Tool

How to Remove Clarosva

To try and remove Clarosva quickly you can try this:

  1. Go to your browser’s settings and select More Tools (or Add-ons, depending on your browser).
  2. Then click on the Extensions tab.
  3. Look for the Clarosva extension (as well as any other unfamiliar ones).
  4. Remove Clarosva by clicking on the Trash Bin icon next to its name.
  5. Confirm and get rid of Clarosva and any other suspicious items.

If this does not work as described please follow our more detailed Clarosva removal guide below.

If you have a Windows virus, continue with the guide below.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide.

Some of the steps may require you to exit the page. Bookmark it for later reference.
Next, Reboot in Safe Mode (use this guide if you don’t know how to do it).

Step1 Uninstall the Clarosva app and kill its processes

The first thing you must try to do is look for any sketchy installs on your computer and uninstall anything you think may come from Clarosva. After that, you’ll also need to get rid of any processes that may be related to the unwanted app by searching for them in the Task Manager.

Note that sometimes an app, especially a rogue one, may ask you to install something else or keep some of its data (such as settings files) on your PC – never agree to that when trying to delete a potentially rogue software. You need to make sure that everything is removed from your PC to get rid of the malware. Also, if you aren’t allowed to go through with the uninstallation, proceed with the guide, and try again after you’ve completed everything else.

  • Uninstalling the rogue app
  • Killing any rogue processes

Type Apps & Features in the Start Menu, open the first result, sort the list of apps by date, and look for suspicious recently installed entries.

Click on anything you think could be linked to Clarosva, then select uninstall, and follow the prompts to delete the app.

delete suspicious Clarosva apps

Press Ctrl + Shift + Esc, click More Details (if it’s not already clicked), and look for suspicious entries that may be linked to Clarosva.

If you come across a questionable process, right-click it, click Open File Location, scan the files with the free online malware scanner shown below, and then delete anything that gets flagged as a threat.

Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
This scanner is free and will always remain free for our website's users.
This file is not matched with any known malware in the database. You can either do a full real-time scan of the file or skip it to upload a new file. Doing a full scan with 64 antivirus programs can take up to 3-4 minutes per file.
Drag and Drop File Here To Scan
Drag and Drop File Here To Scan
Analyzing 0 s
Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
    This scanner is based on VirusTotal's API. By submitting data to it, you agree to their Terms of Service and Privacy Policy, and to the sharing of your sample submission with the security community. Please do not submit files with personal information if you do not want them to be shared.
    Delete Clarosva files and quit its processes.

    After that, if the rogue process is still visible in the Task Manager, right-click it again and select End Process.

    Step2 Undo Clarosva changes made to different system settings

    It’s possible that Clarosva has affected various parts of your system, making changes to their settings. This can enable the malware to stay on the computer or automatically reinstall itself after you’ve seemingly deleted it. Therefore, you need to check the following elements by going to the Start Menu, searching for specific system elements that may have been affected, and pressing Enter to open them and see if anything has been changed there without your approval. Then you must undo any unwanted changes made to these settings in the way shown below:

    • DNS
    • Hosts
    • Startup
    • Task
    • Services
    • Registry

    Type in Start Menu: View network connections

    Right-click on your primary network, go to Properties, and do this:

    Undo DNS changes made by Clarosva

    Type in Start Menu: C:\Windows\System32\drivers\etc\hosts

    Delete Clarosva IPs from Hosts

    Type in the Start Menu: Startup apps

    Disable Clarosva startup apps

    Type in the Start Menu: Task Scheduler

    Delete Clarosva scheduled tasks

    Type in the Start Menu: Services

    Disable Clarosva services

    Type in the Start Menu: Registry Editor

    Press Ctrl + F to open the search window

    Clear the Registry from Clarosva items

    Step3 Remove Clarosva from your browsers

    • Delete Clarosva from Chrome
    • Delete Clarosva from Firefox
    • Delete Clarosva from Edge
    1. Go to the Chrome menu > More tools > Extensions, and toggle off and Remove any unwanted extensions.
    2. Next, in the Chrome Menu, go to Settings > Privacy and security > Clear browsing data > Advanced. Tick everything except Passwords and click OK.
    3. Go to Privacy & Security > Site Settings > Notifications and delete any suspicious sites that are allowed to send you notifications. Do the same in Site Settings > Pop-ups and redirects.
    4. Go to Appearance and if there’s a suspicious URL in the Custom web address field, delete it.
    1. Firefox menu, go to Add-ons and themes > Extensions, toggle off any questionable extensions, click their three-dots menu, and click Remove.
    2. Open Settings from the Firefox menu, go to Privacy & Security > Clear Data, and click Clear.
    3. Scroll down to Permissions, click Settings on each permission, and delete from it any questionable sites.
    4. Go to the Home tab, see if there’s a suspicious URL in the Homepage and new windows field, and delete it.
    1. Open the browser menu, go to Extensions, click Manage Extensions, and Disable and Remove any rogue items.
    2. From the browser menu, click Settings > Privacy, searches, and services > Choose what to clear, check all boxes except Passwords, and click Clear now.
    3. Go to the Cookies and site permissions tab, check each type of permission for permitted rogue sites, and delete them.
    4. Open the Start, home, and new tabs section, and if there’s a rogue URL under Home button, delete it.


    About the author


    Brandon Skies

    Brandon is a researcher and content creator in the fields of cyber-security and virtual privacy. Years of experience enable him to provide readers with important information and adequate solutions for the latest software and malware problems.

    Leave a Comment

    We are here to help! Use SpyHunter to remove malware in under 15 minutes.

    Not Your OS? Download for Windows® and Mac®.

    * See Free Trial offer details and alternative Free offer here.

    ** SpyHunter Pro receives additional removal definitions and manual fixes through its HelpDesk in cases where they are needed.

    Spyware Helpdesk 1