| Threat Alias | Number of Incidents |
| Generic Packed [McAfee] | 32,955 |
| Troj/Agent-HAP [Sophos] | 31,434 |
| Trojan-Downloader.NUS [PC Tools] | 28,223 |
| Win-Trojan/Tinytro.705 [AhnLab] | 14,198 |
| Trojan.Win32.Agent2.hoc [Kaspersky Lab] | 4,735 |
| Trojan.Tiny.bem [PC Tools] | 169 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 119 |
| W32.Rahack.W [Symantec] | 73 |
| W32/Allaple-F [Sophos] | 73 |
| W32/RAHack [McAfee] | 73 |
| Worm.Allaple.Gen [PC Tools] | 73 |
| Worm:Win32/Allaple.A [Microsoft] | 73 |
| WORM_ALLAPLE.IK [Trend Micro] | 73 |
| W32/Virut.gen [McAfee] | 42 |
| Win32.Virut.Gen [PC Tools] | 31 |
| Win32.Virut.Gen.4 [PC Tools] | 29 |
| Virus:Win32/Virut.AK [Microsoft] | 26 |
| W32.Virut.B [Symantec] | 25 |
| W32/Vetor-A [Sophos] | 24 |
| W32/Virut-T [Sophos] | 22 |
| W32.Virut.A [Symantec] | 21 |
| PE_VIRUT.A [Trend Micro] | 19 |
| PE_VIRUT.D [Trend Micro] | 19 |
| W32/Virut.a [McAfee] | 19 |
| Adware.CDN [PC Tools] | 18 |
| Adware-BDSearch [McAfee] | 18 |
| Virus.Win32.Virut.a [Kaspersky Lab] | 16 |
| Virus:Win32/Virut.A [Microsoft] | 16 |
| W32/Virut.gen.a [McAfee] | 14 |
| W32/Virut-L [Sophos] | 14 |
| Generic Malware.eb [McAfee] | 12 |
| Virus:Win32/Virut.D [Microsoft] | 12 |
| W32.Virut.CF [Symantec] | 12 |
| W32.Virut.W [Symantec] | 12 |
| W32.Virut.H [Symantec] | 11 |
| W32/Scribble-B [Sophos] | 9 |
| PE_VIRUT.AV [Trend Micro] | 8 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 8 |
| Virus:Win32/Virut.AC [Microsoft] | 8 |
| W32.Spybot.Worm [Symantec] | 8 |
| W32/Virut-W [Sophos] | 8 |
| Backdoor.Win32.VanBot.ax [Kaspersky Lab] | 7 |
| Trojan Horse [Symantec] | 7 |
| Virus.Win32.Virut.av [Kaspersky Lab] | 7 |
| W32/Virut-Gen [Sophos] | 7 |
| Backdoor:Win32/Poebot.gen [Microsoft] | 6 |
| Mal/EncPk-AO [Sophos] | 6 |
| PE_VIRUT.AT [Trend Micro] | 6 |
| Virus.Win32.Virut.at [Kaspersky Lab] | 6 |
| Virus:Win32/Virut.BM [Microsoft] | 6 |
| Win32/Virut.B [AhnLab] | 6 |
| Win32/Virut.F [AhnLab] | 6 |
| Mal/Generic-A [Sophos] | 5 |
| Virus:Win32/Virut.AA [Microsoft] | 5 |
| Win32/IRCBot.worm.variant [AhnLab] | 5 |
| Win32/Virut.D [AhnLab] | 5 |
| Backdoor:Win32/Poebot.BG [Microsoft] | 4 |
| Mal/Behav-249 [Sophos] | 4 |
| Trojan.Win32.KillFiles.aee [Kaspersky Lab] | 4 |
| TrojanSpy:Win32/Bancos.gen!C [Microsoft] | 4 |
| Virus:Win32/Virut.gen!O [Microsoft] | 4 |
| W32.Virut.R [Symantec] | 4 |
| Backdoor.VanBot.CL [PC Tools] | 3 |
| Generic.dx [McAfee] | 3 |
| Mal/Packer [Sophos] | 3 |
| New Malware.eb [McAfee] | 3 |
| New Win32 [McAfee] | 3 |
| PE_VIRUT.B [Trend Micro] | 3 |
| PE_VIRUT.XP [Trend Micro] | 3 |
| Virus.Win32.Virut.b [Kaspersky Lab] | 3 |
| Virus.Win32.Virut.q [Kaspersky Lab] | 3 |
| W32.IRCBot [Symantec] | 3 |
| W32.IRCBot.Gen [Symantec] | 3 |
| W32.Virut.U [Symantec] | 3 |
| W32/Virut.b [McAfee] | 3 |
| W32/Virut.n.gen [McAfee] | 3 |
| Win32.Virut.Gen.5 [PC Tools] | 3 |
| Win32/MalPackedB.suspicious [AhnLab] | 3 |
| Win32/Virut.C [AhnLab] | 3 |
| Win32/Virut.E [AhnLab] | 3 |
| Backdoor.VanBot!sd5 [PC Tools] | 2 |
| Downloader [Symantec] | 2 |
| Generic PUP.x [McAfee] | 2 |
| Mal/Behav-164, Mal/Dorf-D, Mal/TibsPak [Sophos] | 2 |
| Net-Worm.Win32.Kolabc.btq [Kaspersky Lab] | 2 |
| New Win32.g3 [McAfee] | 2 |
| not-a-virus:Monitor.Win32.ActMon.511 [Kaspersky Lab] | 2 |
| PE_VIRUT.XK [Trend Micro] | 2 |
| Suspicious.MH690 [Symantec] | 2 |
| Trojan.KillFiles!sd6 [PC Tools] | 2 |
| Trojan:Win32/Autorun.I [Microsoft] | 2 |
| Virus.Virut!ct [PC Tools] | 2 |
| Virus.Virut.na [PC Tools] | 2 |
| Virus:Win32/Sality.AM [Microsoft] | 2 |
| Virus:Win32/Virut.AE [Microsoft] | 2 |
| Virus:Win32/Virut.AN [Microsoft] | 2 |
| Virus:Win32/Virut.B [Microsoft] | 2 |
| W32.Sality.AE [Symantec] | 2 |
| W32.SillyFDC [Symantec] | 2 |
| W32/Scribble-A [Sophos] | 2 |