Security researcher has tied the fake anti-virus software for Apple computers known as to an executive of , Russia's largest online payment processor.

There's evidence the Apple scare over malware -- software that is intended to damage or disable computers and computer systems -- may not be over.

Apple users should , another piece of malware disguised as anti-virus software that, unlike Mac Defender, does not require an administrator password to install on your machine. Security firm says MacGuard was created by the parties responsible for Mac Defender.

ChronoPay has also been linked with , including that led downloaders to believe the RIAA and the MPAA were privy to their file sharing and wanted cash to make the problem go away.

The truth behind the Mac Defender malware scare was cracked through some old-fashioned cybersleuthing.