Download, install, and run MalwareBytes It may pick something up. You can also try Scam Zapper as well as Virus Barrier (at App Store).

When the dust settles, either ditch Flash or download only directly from Adobe.


Jon

macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365