WebmasterProfessional3000's definitions
"Siefer" is a type of malware, usually found on MacBook Pro.
It slows down internet connections and writes its own name on websites.
Creepy weirdo.
It slows down internet connections and writes its own name on websites.
Creepy weirdo.
by WebmasterProfessional3000 November 13, 2014
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