Windows Defender is Windows’ built-in virus protection. Windows Defender Security Center in the search results. This should open the Windows Defender window. If you can’t open Windows Defender due to the virus, skip this step and the next step.
Run a quick Windows Defender scan. Windows Defender window and then clicking Scan now. Doing so will allow Windows Defender to search for, isolate, and remove any simple viruses. This won’t work for advanced viruses, but you may be able to remove some malicious files by doing this before you proceed. Restart your computer in Safe Mode. Safe Mode is a version of your computer’s operating system that loads only the necessary files and services, making it impossible for most viruses to run. Click Troubleshooting on the blue screen.
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Click Advanced Options, then click Startup Settings. Click Restart, then press 5 to select the “Safe Mode with Networking” option. If “Safe Mode with Networking” is tied to a different key, use that key instead. Disk Cleanup at the top of the Start menu. Delete your temporary files and system information. Click OK, then click Delete Files when prompted.
It’s on the left side of the window. You’ll find this link under the large Scan now button in the middle of the page. Make sure the “Full scan” box is checked. It’s at the top of the page. A full scan will deep-clean your computer, though keep in mind that it may take Windows Defender well over an hour to complete a full scan.
This is at the bottom of the list of scan options. Doing so prompts Windows Defender to begin scanning your computer. If Windows Defender discovers malware, it will alert you and potentially prompt you to confirm the malware’s deletion. If so, follow the on-screen prompts to remove the malware. Autoruns is a Microsoft tool that shows you the various programs that started up with your current session. Click the Download Autoruns and Autorunsc link near the top of the page.
Click Extract all, then click Extract when prompted. Open the extracted folder, then double-click the Autoruns file to open Autoruns. Use Autoruns to delete malicious files. Autoruns will give you a list of automatic startup processes and files that appeared when you started your computer. Look up the service online to confirm that it is a virus, making sure to note any removal instructions. Delete the service and any files or folders related to it. Repeat this process until you’ve removed all of the suspicious services from the Autoruns menu.