But one expert noted that
the problem might be less
widespread than feared.
Avast said that it first
became aware of the
issue after a member of
the public contacted it
after carrying out his own
investigation into how his
Nexus 5 smartphone had
come to be infected with
malicious code.
The original apps were
said to have held off
showing the pop-ups
until seven or more days
after being installed,
which the analyst
suggested was intended
to mask the fact that they
were responsible.
“Most people won’t be
able to find the source of
the problem and will face
fake ads each time they
unlock their device,” he
wrote.
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