I especially like the pop-up that told me my obviously linux-based system had a virus and then brought me to a windows interface and started cleaning the mock gui.

Your screenshot is nice though. Thanks for all your hard work.

The Digital Face font is freeware and licenced by Style-7.

See here:
http://www.styleseven.com/#digital7

The font is part of the Calculator 7 program:
http://www.styleseven.com/#calculator

I think i had also wrote the website name correct. www.styleseven.com its home page of author. you wrote the links name that link to the digital-7 font file. Thank you for links. may be some people would like to visit the links of the font. or may be some people like to use website of author to see more artworks or things of that author on his home page.