: Run a full system scan with tools such as Malwarebytes or the Farbar Recovery Scan Tool (FRST) to ensure all registry keys and related files are cleared.

: Security tools like Malwarebytes often flag it as "PUP.Optional.Delta" or similar adware.

: You may need to manually reset your homepage and search engine settings in Chrome, Firefox, or Edge after removal.

: Check for "Delta Toolbar" or "Delta Search" in your installed programs and uninstall them.