| Top 35 Virus Sources |
| Count | Host |
| 16 | one.cs.duke.edu |
| 16 | digitas.eecs.harvard.edu |
| 11 | winmain.rutgers.edu |
| 10 | 218.0.2.170 |
| 9 | dimacs.rutgers.edu |
| 9 | eden-out.rutgers.edu |
| 9 | rulink2.rutgers.edu |
| 8 | gauss.rutgers.edu |
| 7 | olddavidhume.rutgers.edu |
| 6 | mail.4rooftops.com |
| 6 | mail.guntercabinets.com |
| 5 | lin-mx.df-webhosting.de |
| 5 | nlpi042.sbcis.sbc.com |
| 5 | server.opns.be |
| 5 | itchy.cs.pitt.edu |
| 4 | mail.settoontowing.com |
| 4 | duke.cs.duke.edu |
| 3 | host12-231-static.33-85-b.business.telecomitalia.it |
| 3 | S010600036d20bd60.va.shawcable.net |
| 3 | thetaxacademy.com |
| 3 | rrcs-67-53-52-165.west.biz.rr.com |
| 3 | horizon.horizon1.net |
| 3 | obiwan.mehlrelay.de obiwan.ctl.de |
| 3 | tx05.mailwise.com |
| 3 | 209.139.240.211 |
| 3 | mail.hertel.be |
| 3 | mail.roodekoper.nl |
| 3 | ip193.91.53.128.dnsreferer.nl |
| 3 | h80icUL.infracom.se |
| 3 | 193.141.73.50 |
| 3 | circular.cs.umd.edu |
| 3 | impress8.tempdomainname.com |
| 3 | mail.pinacolada.net |
| 2 | 89-180-77-234.net.novis.pt |
| 2 | 101.Red-88-6-226.staticIP.rima-tde.net |