It is highly likely that this is how you got Matrixstar. In the following window, look through the listed programs installed on your PC and try to find anything added just before you first started noticing Matrixstar.
If you notice a program that may have something to do with the hijacker, click it, click Uninstall the button from the top , and follow the steps shown in the uninstaller. Select Processes from the top of the window and explore the entries processes. If you find any such suspicious processes, use Google, Bing, or another reliable search engine to find more information about the process or processes.
In most cases, if the suspected process is indeed unwanted, that should come up in the search results. If, after looking up the process, you still think that it may be linked to Matrixstar. When the folder opens, scan its files with the free anti-malware scanner that you will find right below — you can use the tool directly from this page!
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 minutes per file. 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. If scanning the files revealed that one or more of them may be infected, you should go back to the process and quit it by clicking it and then clicking on End Process in the bottom-right.
After that delete the folder where its files are located. Once everything else from this guide has been completed, try to delete the process location folder once more. This will prevent Matrixstar. Copy the next line of text, open the Start Menu, and paste it in its search field:. Click on the file that shows as the first result and look at the end of the text. If this file has been hijacked by Matrixstar. However, not all IPs you may see there are necessarily from the hijacker — other programs that are legitimate may add their own rules to the Hosts file as well.
Therefore, we must first see what IPs are there in your Hosts file, and then we will tell you if anything must be done about them. Send any strange IP addresses you find in the Hosts file down in the comments, and after we have a look at them, we will tell you what to do next. Once more go to the Start Menu, type in it system configuration , and select Startup. Disable uncheck anything that looks unwanted and click on OK.
Look through the items listed there, find the one named Internet Protocol Version 4, select it, and go to Properties again. Click OK on everything after you are done. The names of these products frequently contain words like Antivirus, Shield, Security, Protection, or Fixer.
This makes them sound legitimate. They frequently run right after you download them, or the next time that your computer starts. Rogue security software can prevent applications, such as Internet Explorer, from opening.
Rogue security software might also display legitimate and important Windows files as infections. Typical error messages or pop-up messages might contain the following phrases:.
Do not click anything inside the dialog box. Are you sure you want to navigate from this page? Your computer is infected! They can cause data lost and file corruption and need to be treated as soon as possible.
Return to System Security and download it to secure your PC. Press OK to Continue or Cancel to stay on the current page. For more information see Protect yourself from tech support scams. Removing a computer virus or spyware can be difficult without the help of malicious software removal tools. Some computer viruses and other unwanted software reinstall themselves after the viruses and spyware are detected and removed.
Fortunately, by updating the computer and by using malicious software removal tools, you can help permanently remove unwanted software. For more information about how to remove a computer virus and spyware, see the following article in the Microsoft Knowledge Base: - Microsoft resources and guidance for removal of malware and viruses. Note A computer virus may prevent you from accessing the Microsoft Update website to install the latest updates.
We recommend that you set the Automatic Updates service to run automatically so that a computer is not missing any important updates. Microsoft offers a free online tool that scans and helps remove potential threats from your computer.
To perform the scan, go to the Microsoft Safety Scanner website. Note the name of the rogue security software. For this example, we'll call it XP Security Agent When you are prompted, use the arrow keys to highlight Safe Mode with Networking , and then press Enter.
Click the Start button and check whether the rogue security software appears on the Start menu. If it's not listed there, click All Programs and scroll to find the rogue security software's name. Right-click the name of the rogue security software program, and then click Properties. In the Properties dialog box, check the path of the rogue security software program that is listed in Target.
Note The folder name frequently is a random number. In the Program Files window, click Program Files in the address bar. Scroll until you find the rogue security software program folder. For example, XP Security Agent Go to the Microsoft Safety Scanner website. If you suspect that your computer is infected with rogue security software that was not detected by using Microsoft security solutions, you can submit samples by using the Microsoft Malware Protection Center submission form.
Microsoft Defender Offline is an anti-malware tool that helps remove difficult to eliminate viruses that start before Windows starts. Starting with Windows 10, Microsoft Defender Offline is built-in.
Click Download the 32 bit version or Download the 64 bit version , depending on which operating system that you are running. If you're unsure of which operating system that you are running, see Is my PC running the bit or bit version of Windows.
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