Downloaded auto manual and unknowingly obtained trojan:js/obfus!msr later scan removed but left remenants. How can we be sure it is fully removed?

To ensure that the Trojan (trojan:js/obfus!msr) is fully removed from your system, you can take the following steps:

1. Run a Full System Scan: Use Microsoft Defender Antivirus or another reputable antivirus program to perform a full system scan. This will help identify and remove any remaining malicious files.
2. Use Microsoft Safety Scanner: Download and run the Microsoft Safety Scanner to check for and remove any malware that might still be present on your system.
3. Check for Unwanted Software: Follow the guidelines for removing unwanted software. You can uninstall suspicious applications from the Settings menu:
   • Go to Settings > Apps > Apps & features and look for any applications you do not recognize or did not install.
4. Remove Browser Add-ons: Check your web browsers for any unwanted add-ons or extensions that may have been installed without your consent. Remove any that look suspicious.
5. Monitor Your System: Keep an eye on your system's performance and behavior. If you notice any unusual activity, run additional scans.
6. Restore System Settings: If you suspect that some settings have been altered, consider restoring your system settings to a previous point before the infection occurred.

By following these steps, you can help ensure that the Trojan and any remnants of it are completely removed from your system.

References:

• Trojans
• How to protect against unwanted software