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Published on Jul 6, 2012
What is it? It's a trojan horse developed on Visual Basic by unknown author published on alt.comp.virus newsgroup under alias "Nick Fitzgerald". Nick Fitzgerald is the editor of the Virus Bulletin magazine and has nothing to do with the trojan. (Source: Alexey Podrezov / F-Secure)
What does it do? In "C:\Windows" folder, it creates random number of folders with random names generated from A to Z, amount of characters in folder name is random too, drops itself under filename Fuzzynut.exe, modifies Win.ini file to set "run=" (launch on boot) to "run=fuzzynut.exe" and surprisingly, it adds registration entry for WinZip which is valid registration key for old versions. It's probably blacklisted and no longer possible to use on newer versions. Finally, the volume label on C: is changed to some very silly label.