| Threat Alias | Number of Incidents |
| Exploit-MIME.gen.c [McAfee] | 201 |
| W32.Chir.B@mm [Symantec] | 193 |
| Exploit.IFrame.B [PC Tools] | 170 |
| W32/Chir-B [Sophos] | 169 |
| Exploit.HTML.Iframe [Ikarus] | 120 |
| Exploit.HTML.Iframe.FileDownload [Ikarus] | 34 |
| Exploit.HTML.Iframe.FileDownload.bd [Ikarus] | 29 |
| Email-Worm.Win32.Runouce.b [Kaspersky Lab] | 13 |
| Exploit.HTML.Iframe.FileDownload.bd [Kaspersky Lab] | 13 |
| JS.Chir.B [PC Tools] | 13 |
| Exploit.IFrame [PC Tools] | 7 |