Spamhaus
The Spamhaus Project
  Blocklist Removal Center
About Spamhaus  |  FAQs  |  News Blog   
The Top 10 Worst

The World's Worst Spammers

Up to 80% of spam targeted at internet users around the world is generated by a hard-core group of around 100 known persistent spam gangs whose names, aliases and operations are documented in Spamhaus' Register Of Known Spam Operations (ROKSO) database.

This TOP 10 chart of ROKSO-listed spammers is based on Spamhaus views of the highest threat, least repentant, most persistent, and generally the worst of the career spammers causing the most damage on the internet currently.


Source: Register Of Known Spam Operations (ROKSO) database + Spamhaus Blocklist (SBL) database. Detailed records on each spammer or spam gang listed can be viewed by clicking on the names.
The 10 Worst Spammers
As of 25 April 2018 the world's worst spammers and spam gangs are:

1
Canadian Pharmacy - Ukraine
A long time running pharmacy spam operation. They send tens of millions of spams per day using botnet techniques. Probably based in Eastern Europe, Ukraine/Russia. Host spammed web sites on botnets and on bulletproof Chinese web hosting.

2
Michael Boehm and Associates - United States
Snowshoe spam organization that uses large numbers of inexpensive, automated VPS hosting IPs and domains in whatever TLD is currently cheapest to send high volumes of spam to extremely dirty, scraped lists. Operates under many business and individual names.

3
PredictLabs - United States
This operation signs up for hosting services which are then used by spammers, possibly with connections to Moroccan spam gangs. "Partner-in-spam" with Michael Persaud, RR Media, Yair Shalev and others.

4
Guangzhou-Seoul Information Technology Co., Ltd. (广州智尔信息科技有限公司) - China
Chinese organization sending spam in english, usually advertising chinese companies, to harvested addresses throughout the world. Also, they send spam in chinese to acquire new customers.

5
RR Media - United States
A high volume spam operation based in or run from Huntington Beach, CA, USA. The operation uses a variety of different names.

6
Adgenics / Cabo Networks - United States
Florida affiliate spammers and bulletproof spam hosters

7
Timo Richert / Richpro Trade Inc. / Richvestor GmbH - Germany
Uses botnets or hires botnet spammers to send spam linking back to suspect investment, "quack-health-cures" and other sites that he owns or is an affiliate of. Botnet spamming and hosting sites on hacked servers is fully criminal in much of the world.

8
Alvin Slocombe / Cyber World Internet Services - United States
Bulletproof spam host operating Cyber World Internet Services / e-Insites, and currently spamming using a variety of aliases such as Brand 4 Marketing, Ad Media Plus, Site Traffic Network, RCM Delivery, and eBox.

9
Yair Shalev / Kobeni Solutions - United States
High volume snowshoe spammer from Florida, (former?) partner-in-spam of ROKSO spammer Darrin Wohl. Son-in-law of ROKSO-listed spammer Dan Abramovich. Sued for fraud by the US FTC in 2014.

10
Peter Severa / Peter Levashov - Russian Federation
A professional spammer who writes and sells virus-spamming spamware and botnet access. Is probably involved in the writing and releasing of viruses & trojans. One of the longest operating criminal spam-lords on the internet. Works with many other Eastern Euro and US based botnet spammers. Was a partner of American spammer Alan Ralsky.

© 1998-2018 The Spamhaus Project Ltd. All rights reserved.
Legal  |  Privacy