Japanese duo arrested over Hentai extortion virus

Graham Cluley
@gcluley

According to media reports, two men have been arrested in Japan in connection with computer malware which stole personal information and posted it on the internet.

The men are said to have not only created the malware, but also been behind a fraudulent scheme whereby they contacted victims offering to remove their personal data from the internet – for a fee.

The malware was reportedly spread via the Winny peer-to-peer file-sharing network posing as an adult-themed Hentai game. Upon installing the program, victims were asked to enter their name, date of birth, contact details and other personal information. At the same time, information such as browser bookmarks were being stolen from the users’ computer.

The destination for all this purloined personal data? A publicly accessible website.

At this point afflicted users probably didn’t realise anything untoward has…

Read more in my article on the Naked Security website.

Found this article interesting? Follow Graham Cluley on Twitter to read more of the exclusive content we post.


Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, or drop him an email.