Kenzero is a computer trojan that is spread across peer-to-peer (P2P) networks and is programmed to blackmail its victims by collecting personal information and publishing their browsing history online in a public database.[1]
The Kenzero trojan was first discovered by Symantec on November 27, 2009, but researchers believe it had spread undetected for a few months prior.[2]
According to cybersecurity experts, Kenzero originated in Japan and is believed to be created by the same cybercriminal group behind the earlier trojan viruses Zeus and Koobface.[3]
Operations
Kenzero attacks computers that download files through peer-to-peer (P2P) networks. A fake installation screen appears upon downloading an infected file, prompting victims to enter personal information. The virus then logs the victim's browsing history and publishes it online in a database.[4][5] Finally, a dialog box or email is sent to the victim demanding a fee of approximately $16 USD for the removal of their browsing history from the database.[6]
The virus hides inside video files of hentai anime and spreads via P2P file sharing networks.[6]
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