“Almost five years ago, Intego security researchers warned about the OSX/OpinionSpy spyware infecting Mac computers, downloaded during the installation of innocent-sounding applications and screensavers distributed via well-known sites such as MacUpdate and VersionTracker,” Graham Cluley reports for Intego.

“Once compromised, infected Macs could leak data and open a backdoor for further abuse,” Cluley reports. “Now, sadly, a variant of OpinionSpy seems to be making something of a comeback.”

“Mac security researcher Thomas Reed raised the alarm on his blog earlier this week, describing how he believed he had spotted a new variant of OpinionSpy in an installer for an app on CNET’s Download.com.,” Cluley reports. “Intego researchers have confirmed that Mac users downloading an app called Free Video Cutter Joiner by DVDVideoMedia might be getting more than they bargained for… During installation you would find yourself prompted to install an application called PremierOpinion (detected as OSX/OpinionSpy by Intego’s Mac anti-virus products).”

Cluley reports, “Fortunately, if OpinionSpy ends up on your Mac computer it’s not too hard to spot.”

Read more in the full article here.

Related article:
Warning: Windows ‘OpinionSpy’ spyware mutates; Mac version now found in free apps, screen savers – June 1, 2010