The Top 10 Internet Viruses, 2005
| Rank | Virus Name | Total Qty Detected* |
| 10 | mhtredir | 224,699 |
| 9 | mydoom | 703,753 |
| 8 | dumaru | 756,743 |
| 7 | klez | 936,758 |
| 6 | lovgate | 1,147,340 |
| 5 | bagle | 4,267,388 |
| 4 | mime | 6,469,549 |
| 3 | sober | 10,057,537 |
| 2 | objectdata | 11,548,333 |
| 1 | netsky | 70,360,394 |
*Source: Postini Email Stats & ClickZ.com
Postini is a professional security service that processes nearly 6 billion emails monthly for its large clients. These statistics are collated from their server administrator logs, and although numbers will vary across the globe, Postini does represent many employers and a good cross section of the Internet public.
Related: Anti-Virus/Anti-Spamware 101
Related: Anti-Virus Archives
Related: 2005's Best Anti-Virus for Windows Computers
