I got the same problem, this number (02) 8607 8905 spreading virus, and told us to fix the virus for next 30 years.
I rang them again and asked them who you are then they hang up the phone immediatly.
so be carefull with this scam.

Scam, PC virus related.

Scam

Scam! Wanting access to your Computer. DO NOT GIVE ACCESS! Best wishes to you for safe Computing. Ray

Same with popup invasive hard to remove just quickly do a restore and live virus scan from microsoft. Same with my brother he called!!! and people of Indian accent claiming he had a virus etc and to alllow access to computer

Getting Pop ups from "vivid wireless" apparently telling me I'm in danger of privacy invasion.
It come with this toll free number (02) 8607 8905
I urge you not to call this number. It's definitely a scam

Said to call as computer had virus and it was at risk (scam)