glpals.com

I’ve started getting this message every hour.
I’ve run a full scan and a boot scan, but am not detecting the cause.
Can anyone suggest how I might stop it, short of re-initialising my PC?

Avast
Threat secured
We’ve safely aborted connection on glltol.glpals.com because it was infected
with URL:Blackllst

Threat name URL:Blacklist
URL http://gllt01.glpals.com/7day/v3/latest/lt02.dat
Process C:\Windows\System32\WUDFHost.exe
Detected by Web Shield
Status Connection aborted

If only when the browser is open then clean out cookies and set the browser to block third party cookies.

Also remove any unnecessary extensions.

Thanks for your response
Browser not open
The only things running on the laptop are Microsoft Excel and Windows Media Player

… but the Excel spreadsheet uses web queries which access the web via Internet Explorer