Is checking without a on boot check enough?

After quite a few years it seems like I now myself fell over a malicious mail. Now my question is if what I have scannerwise active and also what I did is good enough to feel save again?

The Mail itself:

The mail was a reminder and contained a link where I got an upgrade for a book (upgrade from the standard to a deluxe edition of the book) for a discount. Just 2 weeks earlier I got the normal discount mail from the books producer. Just after clicking the link (normally I double check the target locations....first time I didn't :/ ) I saw taht teh site that is trying to load is not the expected one (not the one of the online shop). I closed my browser (google chrome), closed all programs and started a quick scan from AD aware and then the full AV scan (details below).

Have to admit that that mail was pretty good. As that upgrade and the book are very specific (its a table top gaming rulebook) they must have had very specific data there to create that mail.

I immediately contacted the books producer and asked them there and got told that they sent me the original mail but not this reminder mail.

The website:

From what I saw on google the website is lying as a subsite on some hosting providers site (didn't dare to go onto the site of the provider though after this experience). From what I saw in chrome it was still loading and didn't finish loading when I closed chrome.

My system:

I'm using windows 10 and avast as virus scanner. Additionally I have ad aware installed since some time (all up to date).

What did I do?:

I immediately closed google chrome and most other applications I had running and ran AD-aware quick scan (no result). After that I ran a complete scan (not a boot scan) over night with avast. 2 files in app data were not openable (due to other processes) and I closed all other applications like skype that were still running and manually let avast scan the folder and also nothing there. Then scanned the user folders with ad-aware for the same result.

When I tried to start google chrome now I got an error message (memory error) and immediately started an avast scan of the program folders (ad-aware is to follow).

If nothing comes out I plan to restart the computer and then make a full ad-aware scan of my system drive. Aside from that then back to normal computer usage.

I asked the book producer if that mail was real or fake. After getting the answer "very probably fake" I asked them if they want to have that mail forwarded to them else I will delete it immediately (from what I read some IT departments in companies want such mails forwarded, others not thus asked there).

The question

Is that enough? Or should I also run the on boot check or do anything else there?

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