More on Gauss Malware. This one is worth looking at.
See also: Gauss Browser Detection Tool
I tried the link and my laptop was not infected, according to the browser-based test. I also run Panda antivirus on the laptop but their website doesn't seem to have an entries for Gauss or Palida Narrow at present.
This is only my subjective experience with the browser based tool provided.
Mysterious font left by malware befuddles - Gauss, Palida Narrow, Data Protection | Malware, malware, security, cybercrime, legal, data protection, applications, software, kaspersky lab - CSO | The Resource for Data Security Executives