;Urko is a dog. Urko is one of my best friends. Urko is a
;fantastic dog becoz sometimes….. Urko SPEAKS!
;Urko is very timid and only speaks to me…and not always…
;urko only speaks when both,urko and me,we start to
;smoke that rare cigarretes that urko has. Then urko start
;to speak a lot of :) and we stay all night speaking, smoking
;and seeing films or playing trivial pursuit, or coding,
;or doing a lot of things :)
;Due this,i named this virus as win32.urk0 :)

Source: Direct link to the source code
Software: win32.Urk0
Programming language: Assembler

Gefunden im ASM-Loader eines Demo-Kernels:

call main        ; GO KERNEL! GO KERNEL! GO KERNEL!
cli ;WTF?
hlt ;STOPP! Wie um Himmels Willen sind wir HIER her geraten?!?!

Source: http://blog.avgp.selfip.org/blog_showentry.php?id=180
Software: NanOS
Programming language: x86 Assembler