| Threat Alias | Number of Incidents |
| Packed.Win32.Black.a [Kaspersky Lab] | 237 |
| WORM_SDBOT.GAV [Trend Micro] | 156 |
| New Malware.jn [McAfee] | 122 |
| Generic.dx [McAfee] | 77 |
| W32/Sdbot.worm [McAfee] | 65 |
| W32.Spybot.Worm [Symantec] | 46 |
| BehavesLikeWin32.ExplorerHijack [Ikarus] | 44 |
| Trojan Horse [Symantec] | 37 |
| W32.IRCBot [Symantec] | 34 |
| Trojan.Crypt [Ikarus] | 33 |
| Packed.Win32.Black [Ikarus] | 32 |
| Backdoor.Trojan [Symantec] | 24 |
| BackDoor-CEP.svr [McAfee] | 20 |
| Infostealer [Symantec] | 18 |
| Backdoor.Win32.IRCBot [Ikarus] | 17 |
| Infostealer.Bancos [Symantec] | 17 |
| Trojan:Win32/Ircbrute [Microsoft] | 17 |
| Win-Trojan/Xema.variant [AhnLab] | 17 |
| Backdoor.Bifrose [Symantec] | 16 |
| W32/Sdbot.worm.gen.ci [McAfee] | 16 |
| PWS-Banker.gen.i [McAfee] | 15 |
| Downloader [Symantec] | 13 |
| Mal_Banker [Trend Micro] | 13 |
| MemScanBackdoor.Bifrose.NQ [Ikarus] | 13 |
| Downloader.gen.a [McAfee] | 12 |
| PWS-Banker [McAfee] | 12 |
| Suspicious.MH690 [Symantec] | 11 |
| W32.Netsky.gen@mm [Symantec] | 11 |
| Backdoor.Bifrose [Ikarus] | 10 |
| Backdoor.Sdbot [Symantec] | 10 |
| Backdoor.Hupigon [Ikarus] | 9 |
| Infostealer.Gampass [Symantec] | 9 |
| Trojan-Downloader.Win32.Bagle.jc [Ikarus] | 9 |
| TrojanSpy:Win32/Banker.GV [Microsoft] | 9 |
| Backdoor.Rbot [Ikarus] | 8 |
| Backdoor.Win32.Hupigon [Ikarus] | 8 |
| Backdoor:Win32/Akbot.gen [Microsoft] | 8 |
| Backdoor:Win32/Bifrose [Microsoft] | 8 |
| Backdoor:Win32/Rbot [Microsoft] | 8 |
| Backdoor:Win32/Rbot.gen [Microsoft] | 8 |
| Exploit:Win32/MS06040.gen [Microsoft] | 8 |
| Trojan-Downloader.Win32.Bagle [Ikarus] | 8 |
| W32.IRCBot.Gen [Symantec] | 8 |
| Win32/IRCBot.worm.variant [AhnLab] | 8 |
| Generic BackDoor [McAfee] | 7 |
| Trojan.Win32.Autoit.dd [Kaspersky Lab] | 7 |
| Downloader.MisleadApp [Symantec] | 6 |
| TrojanSpy:Win32/Bancos.gen!B [Microsoft] | 6 |
| W32.Beagle.EB [Symantec] | 6 |
| Worm:Win32/Wootbot.gen [Microsoft] | 6 |
| Backdoor.IRCBot!sd6 [PC Tools] | 5 |
| Backdoor.Win32.Ciadoor [Ikarus] | 5 |
| MemScanBackdoor.VB.EV [Ikarus] | 5 |
| Net-Worm.Kolab!sd6 [PC Tools] | 5 |
| Trojan.Generic [Ikarus] | 5 |
| Trojan.Mitglieder [Symantec] | 5 |
| Trojan.Win32.Autoit.dd [Ikarus] | 5 |
| W32.Randex.gen [Symantec] | 5 |
| W32/Bagle.gen [McAfee] | 5 |
| Worm:Win32/Pushbot.gen!C [Microsoft] | 5 |
| Backdoor.Bifrose!sd6 [PC Tools] | 4 |
| Backdoor.Graybird [Symantec] | 4 |
| Backdoor.IRC.Bot [Symantec] | 4 |
| Backdoor.VanBot.EP [PC Tools] | 4 |
| Backdoor.Win32.Ciadoor.123 [Ikarus] | 4 |
| Backdoor:Win32/Akbot.J [Microsoft] | 4 |
| Backdoor:Win32/Bifrose.FO [Microsoft] | 4 |
| Backdoor-CEP [McAfee] | 4 |
| Downloader.Bancos [Symantec] | 4 |
| Hacktool [Symantec] | 4 |
| Net-Worm.Win32.Kolab.ajb [Kaspersky Lab] | 4 |
| Net-Worm.Win32.Kolab.ane [Kaspersky Lab] | 4 |
| Net-Worm.Win32.Kolabc [Ikarus] | 4 |
| PWS-Banker.dldr [McAfee] | 4 |
| PWS-Banker.gen.aa [McAfee] | 4 |
| Spyware.Keylogger [Symantec] | 4 |
| Trojan.IRCBot [PC Tools] | 4 |
| Trojan.Win32.Buzus.rmt [Kaspersky Lab] | 4 |
| Trojan.Win32.Ircbrute [Ikarus] | 4 |
| Trojan:Win32/Meredrop [Microsoft] | 4 |
| Trojan:Win32/Pakes [Microsoft] | 4 |
| Trojan-Banker.Win32.Banker.edy [Kaspersky Lab] | 4 |
| Trojan-Downloader.MisleadApp!sd6 [PC Tools] | 4 |
| Trojan-Downloader.Win32.Bagle.hi [Kaspersky Lab] | 4 |
| TrojanDownloader:Win32/Bagle [Microsoft] | 4 |
| Trojan-Spy.Bancos!sd6 [PC Tools] | 4 |
| Win32/Kolab.worm.483328 [AhnLab] | 4 |
| Backdoor.Bot [Ikarus] | 3 |
| Backdoor.VB.EV [Ikarus] | 3 |
| Backdoor.Win32.Bifrose [Ikarus] | 3 |
| Backdoor.Win32.SdBot [Ikarus] | 3 |
| Backdoor:Win32/Agent [Microsoft] | 3 |
| Backdoor:Win32/Bifrose.ACI [Microsoft] | 3 |
| Backdoor:Win32/Bifrose.AE [Microsoft] | 3 |
| Backdoor:Win32/Poison [Microsoft] | 3 |
| BackDoor-CEP [McAfee] | 3 |
| DollarRevenue [McAfee] | 3 |
| Generic.Sdbot [Ikarus] | 3 |
| Trojan:WinNT/Bagle.gen [Microsoft] | 3 |
| Trojan-Downloader.Win32.Bagle.hi [Ikarus] | 3 |