| Threat Alias | Number of Incidents |
| W32/Perlovga [McAfee] | 51 |
| Backdoor.Perlovga.B [PC Tools] | 49 |
| BKDR_SMALL.DDE [Trend Micro] | 49 |
| Trojan Horse [Symantec] | 49 |
| W32/Perlovg-B [Sophos] | 42 |
| Worm.Win32.Perlovga [Ikarus] | 42 |
| Worm.Win32.Perlovga.f [Kaspersky Lab] | 42 |
| Win-Trojan/Copier.35346 [AhnLab] | 7 |
| Worm.Win32.Perlovga.b [Kaspersky Lab] | 7 |
| Backdoor.Graybird [Symantec] | 4 |
| Backdoor:Win32/Hupigon.gen!B [Microsoft] | 4 |
| BackDoor-AWQ.svr.gen.e [McAfee] | 4 |
| Mal/Behav-058, Mal/Hupig-E, Mal/Emogen-Y, Mal/DSpy-B, Mal/Behav-157, Mal/Behav-043 [Sophos] | 4 |
| Trojan-Downloader.Win32.Delf.aup [Ikarus] | 4 |
| Win-Trojan/Hupigon.Gen [AhnLab] | 4 |
| Packed/MEW [PC Tools] | 2 |
| Backdoor.Formador [Symantec] | 1 |
| Backdoor.Graybird.K [Symantec] | 1 |
| Backdoor.Hupigon.DD [PC Tools] | 1 |
| Backdoor.Win32.Hupigon [Ikarus] | 1 |
| Backdoor.Win32.Hupigon.fs [Kaspersky Lab] | 1 |
| BackDoor-AWQ.b [McAfee] | 1 |
| BKDR_HUPIGON.GEN [Trend Micro] | 1 |
| Downloader-BBQ [McAfee] | 1 |
| Infostealer [Symantec] | 1 |
| Mal/EncPk-CK [Sophos] | 1 |
| Mal/Generic-E [Sophos] | 1 |
| Mal/Hupig-E, Mal/GrayBird-B, Mal/Behav-058, Mal/DSpy-B, Mal/Behav-157, Mal/Behav-043 [Sophos] | 1 |
| Mal/TibsPk-A, Mal/Packer, Mal/Emogen-F [Sophos] | 1 |
| New Malware.iu [McAfee] | 1 |
| New Malware.u [McAfee] | 1 |
| not-a-virus:AdWare.Win32.Cinmus.avy [Kaspersky Lab] | 1 |
| not-a-virus:AdWare.Win32.Cinmus.buj [Kaspersky Lab] | 1 |
| not-a-virus:AdWare.Win32.Cinmus.po [Kaspersky Lab] | 1 |
| Suspicious.Graybird.1 [Symantec] | 1 |
| Trojan.Win32.Agent.buku [Kaspersky Lab] | 1 |
| Trojan.Win32.VB.kln [Kaspersky Lab] | 1 |
| Virus.Trojan.Win32.Agent [Ikarus] | 1 |
| Virus.Trojan.Win32.VB [Ikarus] | 1 |
| Win-Trojan/Agent.121473 [AhnLab] | 1 |
| Worm.Win32.AutoRun [Ikarus] | 1 |
| Worm:Win32/Autorun.gen!BR [Microsoft] | 1 |