| Threat Alias | Number of Incidents |
| Worm:Win32/Hamweq.gen!C [Microsoft] | 84 |
| WORM_HAMWEQ.BU [Trend Micro] | 63 |
| Worm:Win32/Hamweq.A [Microsoft] | 54 |
| W32.SillyFDC [Symantec] | 52 |
| W32/Autoham-Fam [Sophos] | 36 |
| W32.Ircbrute [Symantec] | 27 |
| Worm.Hamweg.Gen [PC Tools] | 25 |
| Generic.dx [McAfee] | 22 |
| W32/Autorun.worm.gen [McAfee] | 18 |
| W32.IRCBot [Symantec] | 16 |
| Win-Trojan/Agent.13824.FE [AhnLab] | 14 |
| W32.Sality.AE [Symantec] | 11 |
| W32/Sality-AM [Sophos] | 11 |
| Virus:Win32/Sality.AM [Microsoft] | 10 |
| Backdoor.Trojan [Symantec] | 9 |
| Trojan Horse [Symantec] | 8 |
| Virus.Win32.Sality.aa [Kaspersky Lab] | 8 |
| WORM_AUTORUN.RYU [Trend Micro] | 8 |
| Mal/Generic-A [Sophos] | 7 |
| W32.SillyDC [Symantec] | 7 |
| W32/Autorun.worm.e [McAfee] | 7 |
| W32/Sality.gen [McAfee] | 7 |
| Worm.Win32.AutoRun.fmo [Kaspersky Lab] | 7 |
| Worm.Win32.AutoRun.tej [Kaspersky Lab] | 7 |
| W32/Spybot.worm.gen [McAfee] | 6 |
| Win-Trojan/Hamweq.12800 [AhnLab] | 6 |
| Win-Trojan/IRCBot.114688.B [AhnLab] | 6 |
| Worm.AutoRun!sd6 [PC Tools] | 6 |
| BackDoor-CKA [McAfee] | 5 |
| W32/Sdbot.worm.gen.ay [McAfee] | 5 |
| PE_SALITY.JER [Trend Micro] | 4 |
| Trojan.Win32.Pakes.jzt [Kaspersky Lab] | 4 |
| Trojan:Win32/Ircbrute [Microsoft] | 4 |
| Win32/Autorun.worm.114176.B [AhnLab] | 4 |
| Win32/IRCBot.worm.115200.V [AhnLab] | 4 |
| Worm.Win32.AutoRun.gmf [Kaspersky Lab] | 4 |
| Worm.Win32.AutoRun.qmd [Kaspersky Lab] | 4 |
| WORM_AUTORUN.BKL [Trend Micro] | 4 |
| PE_SALITY.EN-1 [Trend Micro] | 3 |
| Suspicious.MH690 [Symantec] | 3 |
| Troj/Autorun-WM [Sophos] | 3 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 3 |
| Virus:Win32/Virut.BM [Microsoft] | 3 |
| W32.Virut.CF [Symantec] | 3 |
| W32/Autorun.worm.n [McAfee] | 3 |
| W32/AutoRun-OZ [Sophos] | 3 |
| W32/AutoRun-WB [Sophos] | 3 |
| Win-Trojan/Autorun.117248.B [AhnLab] | 3 |
| Win-Trojan/Hamweq.12288 [AhnLab] | 3 |
| Worm.Win32.AutoRun.ffu [Kaspersky Lab] | 3 |
| Worm.Win32.AutoRun.spa [Kaspersky Lab] | 3 |
| Worm.Win32.AutoRun.umg [Kaspersky Lab] | 3 |
| Worm.Win32.AutoRun.uos [Kaspersky Lab] | 3 |
| Worm:Win32/Autorun.MBS!corrupt [Microsoft] | 3 |
| Backdoor.Graybird [Symantec] | 2 |
| Backdoor.Graybird!sd6 [PC Tools] | 2 |
| Hacktool.Flooder [Symantec] | 2 |
| IRC-Worm.Win32.Small.am [Kaspersky Lab] | 2 |
| IRC-Worm.Win32.Small.cc [Kaspersky Lab] | 2 |
| PE_SALITY.EN [Trend Micro] | 2 |
| Troj/Agent-JEF [Sophos] | 2 |
| Trojan.Win32.Buzus.aosr [Kaspersky Lab] | 2 |
| Trojan:Win32/Agent [Microsoft] | 2 |
| W32.Virut.U [Symantec] | 2 |
| W32/Autorun.worm!eu [McAfee] | 2 |
| W32/AutoRun-JO [Sophos] | 2 |
| W32/AutoRun-XZ [Sophos] | 2 |
| W32/Sality.ao [McAfee] | 2 |
| W32/Scribble-B [Sophos] | 2 |
| W32/Vetor-A [Sophos] | 2 |
| W32/Virut.gen [McAfee] | 2 |
| W32/Virut.n.gen [McAfee] | 2 |
| Win32/Autorun.worm.115712 [AhnLab] | 2 |
| Win32/Autorun.worm.118272 [AhnLab] | 2 |
| Win32/Autorun.worm.119808.B [AhnLab] | 2 |
| Win32/Kashu.B [AhnLab] | 2 |
| Win32/Virut.F [AhnLab] | 2 |
| Win-Trojan/Agent.621568.B [AhnLab] | 2 |
| Win-Trojan/Autorun.117248 [AhnLab] | 2 |
| Win-Trojan/Autorun.119808.B [AhnLab] | 2 |
| Win-Trojan/Buzus.18698 [AhnLab] | 2 |
| Win-Trojan/Pakes.114176.C [AhnLab] | 2 |
| Worm.AutoRun.oqu [PC Tools] | 2 |
| Worm.AutoRun.qog [PC Tools] | 2 |
| Worm.AutoRun.sbd [PC Tools] | 2 |
| Worm.Win32.AutoRun.akfu [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.qye [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.rol [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.vhg [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.wfi [Kaspersky Lab] | 2 |
| Worm.Win32.Hamweq.a [Kaspersky Lab] | 2 |
| Backdoor.IRCBot!sd6 [PC Tools] | 1 |
| Backdoor.Win32.Agent.adro [Kaspersky Lab] | 1 |
| BackDoor-DOQ.gen.e [McAfee] | 1 |
| DDoS-Leba [McAfee] | 1 |
| Generic BackDoor.u [McAfee] | 1 |
| IRC Trojan [Symantec] | 1 |
| IRC-Worm.Win32.Small.u [Kaspersky Lab] | 1 |
| Mal/Behav-227 [Sophos] | 1 |
| New Malware.bj [McAfee] | 1 |