Adware:Win32/Cjishu!MSR is a detection for unwanted computer programs that have the sole intention of overriding internet browser settings. In the event that a computer is infected with Adware:Win32/Cjishu!MSR, users may encounter different irregularities in the browser. Homepages and search settings may have a new default setup that ignores web user’s preferences.

Bear in mind that aggressive pop-ups and redirects, which may occur in the presence of Adware:Win32/Cjishu!MSR can lead to further contamination when it diverts the browser to websites that are hosting adware or malware. Therefore, immediate removal of the threat is important to avoid any additional damage to the computer.

Illustration for Adware:Win32/Cjishu!MSR

How does it infect the computer?

The spread tactics currently employed by Adware:Win32/Cjishu!MSR to reach random computers via malicious ad campaigns. It is promoted as a useful tool, claiming to level up the online experience for users. On the other hand, the makers of this virus are also embedding the malicious code into different freeware that is served at different online locations.

After the installation of Adware:Win32/Cjishu!MSR, it drops several codes onto the computer, especially on internet browser applications. Then, the threat gets to influence the internet software by overriding different settings in it.

How does this malware operate?

Adware:Win32/Cjishu!MSR invades computers in order to exploit the internet program to generate online profit. As such, the following actions may take place on the infected computer:

  • Excessive display of advertisements, including pop-ups and redirects.
  • Aggressive push notification alerts would show up on the screen.
  • The homepage is set to a different web address.
  • The search engine is managed by an unknown provider.


If your computer is infected with Adware:Win32/Cjishu!MSR, you may experience several noticeable symptoms. An increase in the number of advertisements appearing on your screen, often in the form of pop-ups or banners, is a common sign of adware. These ads may appear even when you are not browsing the internet or may be targeted based on your online activities. Additionally, your web browser’s homepage or search engine settings may be altered without your consent, redirecting you to unwanted websites.

How to remove Adware:Win32/Cjishu!MSR?

To totally remove Adware:Win32/Cjishu!MSR from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Step 1 : Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted computer security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of computer virus like Adware:Win32/Cjishu!MSR through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the database file; please wait for this process to complete.

6. To begin checking for threats like Adware:Win32/Cjishu!MSR, click on the Start Scan button. Wait for this scan to finish.

Screenshot of Combo Cleaner PC

7. At the end of the scan process, click on Remove all threats to delete Adware:Win32/Cjishu!MSR malware, including all malicious objects from the computer.

To fully optimize the features of antivirus and privacy scanners, users may have to upgrade to the premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the computer virus and malicious items linked to it.

Step 2 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of Adware:Win32/Cjishu!MSR. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of Win 11 Search

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of Msconfig Win 11

4. Under the Boot Options area, please check Safe Boot so that it starts in Safe Mode after restarting.

5. Next, select Network. This will allow Windows to boot in Safe Mode with Networking.

6. Lastly, click on Apply and OK to save the changes.

7. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 3 : Run Sophos Home Virus Scanner

To remove Adware:Win32/Cjishu!MSR automatically, scanning the computer with this powerful virus and malware removal tool is recommended. This scanner does not just uncover known threats like viruses or malware; it is also effective in discovering harmful files associated to Adware:Win32/Cjishu!MSR.

1. Please click on the link below to download the program.

2. After downloading, locate the file SophosInstall.exe in the Downloads folder.

3. Install by double-clicking on the file.

4. If it prompts "Do you want to allow this app to make changes on your device?" please click Yes.

5. Next, it will display the Terms and Conditions page. Click the Install button to begin.

Screenshot of Terms by Sophos Home

6. Run the installation with the default settings. Please note that an internet connection is required in order to download important updates.

7. After finishing the installation, you must login to the dashboard. If you already have a Sophos account, please login. Otherwise, please enter your details and click on the Create Account button.

8. Once you are in the Sophos Home console, click the Scan button to start checking the computer for Adware:Win32/Cjishu!MSR components.

Screenshot of Sophos Home

9. Scanning may take a while; please wait for this process to finish.

10. After scanning the computer, Sophos Home will start cleaning or deleting files infected with Adware:Win32/Cjishu!MSR.

11. You may now close Sophos Home. The computer is now free from Adware:Win32/Cjishu!MSR, as well as associated malware and viruses.

After executing the above instructions, Adware:Win32/Cjishu!MSR should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 4 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with Adware:Win32/Cjishu!MSR. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove Adware:Win32/Cjishu!MSR, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm and search for Windows Security

2. Click Open to run the program.

Screenshot of Win 11 Search

3. On the Dashboard, click Virus and threat protection from the sidebar.

Screenshot of Win 11 Virus Protection

4. On the right panel, click on Scan Options to see different levels of checking the computer.

5. Next, please select Full Scan button.

Screenshot of Full Scan Win 11

6. Lastly, click on the Scan now button to start scanning for the presence of Adware:Win32/Cjishu!MSR. The process may take a while to complete.

7. After the scan, Delete/Quarantine identified threats, whether they were relevant to Adware:Win32/Cjishu!MSR or not. You may now restart Windows to complete the virus removal process.

For Windows 8.1 and Windows 7, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

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