Selected viruses, spyware, and other threats: sorted alphabetically

This is a simple, encrypted, parasitic COM infector. The virus avoids infecting the program ND.COM. Perhaps it is only a little error in the code and that the name should have been DN.COM (Dos Navigator – analogy of NC). The virus occasionally presents itself by displaying the following text:

This is Leonardo - another virus Ninja Turtle Press any key....

And in the virus body is also a reminder on the origin:

Origin :Slovakia (not Hungaria or Austria)

In addition the virus searches for and deletes files ANTI-VIR.DAT, FINGERP.VVF, FILES.VVL, CHKLIST.MS and all files with the extension CRC. By doing so it tries to deal with the integrity check.

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