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QxSearch hijacker fakes failed installs

Recently, one of the more dominant search hijacker families on our radar has started to display some curious behavior. The family in question is delivered by various Chrome extensions and classified as PUP.Optional.QxSearch because of its description in listings of installed extensions, which tells us that “QxSearch configures your default search settings.” This branch of the search … [Read more...]

Adware and PUPs families add push notifications as an attack vector

Some existing families of potentially unwanted programs and adware have added browser push notifications to their weapons arsenal. Offering themselves up as browser extensions on Chrome and Firefox, these threats pose as useful plugins then haggle users with notifications. A family of search hijackers The first I would like to discuss is a large family of Chrome extensions that were already … [Read more...]