Alongside interim results, Vincent Steckler, Avast’s chief executive said it was seeing double-digit increases in global spend.
"Legislation and high-profile data breaches’ remain concerns both for individuals and businesses," he said.
Avast acquired its main rival AVG in 2016 and aided by synergies from that deal underlying profits [EBITDA] rose by 11% to €222mln in the half year to June.
Underlying revenues were 8.5% higher at €394mln.
The company operates what is called a ‘freemium’ model where users can get the basic package for free but can pay for the premium version.
Paying customers rose 2.6% or 298,000 to 11.67mln with average revenue Per Customer up 3.5% to $46.92.
There was a strong performance in the core consumer desktop business, driven by growth in Utilities and VPN, said Avast.
Shares rose 4% to 238.2p.
Avast listed on the main market in May at 250p.