By searching on google for norton call number, i’ve found this.
My antivirus also warned me by opening.
https://norton.antivirussupportaustralia.com/
They offer also support for other 6 antivir https://antivirussupportaustralia.com/
I think it is a scam but the site domain is pretty normal
They are Indian scammers having these websites:
accountlog-in.com, adobesupportaustralia.com, adultseowebdesigning.com, antivirussupportaustralia.com, datarecoverybrisbane.com, emailsupportaustralia.com, emailsupportuk.com, gmailpasswordrecovery.com, hotmailsupportnewzealand.com, hpsupportaustralia.com, iwisebusiness.com, kindlesupportaustralia.com, macpatcher.com, macpatchers.com, macsupportaustralia.com, mcafeesupportaustralia.com, norton360supportaustralia.com, nortonsupportaustralia.com, ns1.comsetup.support, ns1.pcpatchers.com, ns2.comsetup.support, ns2.pcpatchers.com, outlookexpressemailsupport.com, pcpatchers.com, pcpatchers.net, planetxercise.com, printersupportaustralia.com, quickbooksupportadvisor.com, quickensupportaustralia.com, sapphirecoastboardriders.com, sbcglobalnetsupport.com, sbcglobalsupport.us, supportaustralianumber.com, supportnetherlands.com, supportnumberaustralia.com