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The Register of Known Spam Operations
Chen Yu (AKA Sprincy)

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Chen Yu (AKA Sprincy) Index

Country: China
State: Jiangsu
Changshu-based Chen Yu (陈宇) mostly sends digital image retouching and refinishing ("Photo Retouching Services", "Video Editing", etc) spam, but "Application Development" and Textile products spam have also been observed, and some mailings directly advertise spamming services.

Before July 2014 (and since at least Spring 2010) he operated without Internet assets of his own except dropboxes, relying on throwaway webmail accounts, open proxies and open relay sending sources. He hijacked several thousand servers all over the world to have his spam delivered, becoming one of the most serious problem on the Internet and inflicting massive costs to thousands of companies across the world.

After July 2014 he switched to a standard snowshoe distribution method and started to purchase low-cost VPSes from ISPs across the world.

Chen Yu (AKA Sprincy) SBL Listings History
Current SBL Listings
Archived SBL Listings

trying to sell spam services (2009)

Mail archived at :

Von: danianyekax16in [at]
Betreff: Need to send big email campaign?
Datum: 25. Januar 2009 06:15:10 MEZ
An: info@ <ähnliche Adresse>.com
Antwort an: tomsending [at]
Return-Path: <danianyekax16in [at]>
Return-Path: danianyekax16in [at]
Received: from [] by InterMail with ESMTP id < [at] photoserver> for <info@ <meine Adresse>.de>; Sun, 25 Jan 2009 06:15:14 +0100
Received: from SPRINCYCS ([]) by photoserver with Microsoft SMTPSVC(6.0.3790.3959); Sun, 25 Jan 2009 07:15:15 +0200
Mime-Version: 1.0
X-Priority: 1
X-Msmail-Priority: High
X-Mailer: Microsoft Outlook Express 6.00.2800.1158
X-Mimeole: Produced By Microsoft MimeOLE V6.00.2800.1165
Content-Type: text/plain; charset="GB2312"
Content-Transfer-Encoding: base64
Content-Disposition: inline
Message-Id: <PHOTOSERVERkfMHTs2F0000331c [at] photoserver>
X-Originalarrivaltime: 25 Jan 2009 05:15:16.0621 (UTC) FILETIME=[E8C08BD0:01C97EAB]

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The Register of Known Spam Operations (ROKSO) collates information and evidence on entities with a history of spamming or providing spam services, and entities affiliated or otherwise connected with them, for the purpose of assisting ISP Abuse Desks and Law Enforcement Agencies.
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