Combating Unitrix is difficult, said Kubec; he suggested that users open any suspect files in a sandboxed environment. Office 2010, for example, in a sandbox to isolate any malware from Windows.
Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. Follow Gregg on Twitter at , on or subscribe to . His e-mail address is .
See .
in Computerworld's Security Topic Center.