| Threat Alias | Number of Incidents |
| New Malware.bx [McAfee] | 40,769 |
| TROJ_UPOLYX.BL [Trend Micro] | 38,808 |
| Trojan-Downloader.Homles!sd6 [PC Tools] | 38,416 |
| W32/HLLP.Philis.dll [McAfee] | 18,496 |
| Worm.Win32.Viking.ix [Kaspersky Lab] | 17,200 |
| Trojan.Viking.Gen!Pac.4 [PC Tools] | 16,137 |
| TROJ_LOOKED.LU [Trend Micro] | 9,603 |
| Generic Downloader.g [McAfee] | 9,422 |
| TROJ_TIBS.ZV [Trend Micro] | 9,408 |
| Trojan-Downloader.Tibs!sd5 [PC Tools] | 9,408 |
| Mal_Xed-4 [Trend Micro] | 6,671 |
| Mal/Generic-A [Sophos] | 5,917 |
| Generic Downloader.x [McAfee] | 5,563 |
| Adware.Maxifiles [PC Tools] | 5,522 |
| TROJ_SMALL.KBU [Trend Micro] | 4,624 |
| Generic.f [McAfee] | 4,422 |
| Trojan-Downloader.Small.AFI [PC Tools] | 4,420 |
| Downloader-BEC [McAfee] | 4,409 |
| Trojan-Downloader.Small.BUY [PC Tools] | 4,158 |
| not-a-virus:AdWare.Win32.TTC.a [Kaspersky Lab] | 3,911 |
| Bloodhound.NsAnti [Symantec] | 3,472 |
| TROJ_DLOADER.SCW [Trend Micro] | 3,248 |
| W32/Looked-DX [Sophos] | 3,069 |
| Virus:Win32/Viking.gen.dll!A [Microsoft] | 2,893 |
| Trojan.Packed.NsAnti [Symantec] | 2,877 |
| Downloader.gen.a [McAfee] | 2,723 |
| Trojan-Dropper.Agent [Ikarus] | 2,675 |
| Trojan-Downloader.Agent!sd6 [PC Tools] | 2,536 |
| Trojan.Matcash.Gen.2 [PC Tools] | 2,515 |
| TROJ_DLOADER.QNF [Trend Micro] | 2,200 |
| Trojan-Downloader.Win32.Small [Ikarus] | 2,084 |
| Downloader.Generic [PC Tools] | 2,044 |
| TROJ_DROPPER.UW [Trend Micro] | 2,009 |
| TrojanDownloader:Win32/Renos.DU [Microsoft] | 1,592 |
| Generic.dx [McAfee] | 1,385 |
| TrojanDownloader:Win32/VB.AAF.remnants [Microsoft] | 1,326 |
| Worm.Viking!sd5 [PC Tools] | 1,301 |
| Trojan-Downloader.Win32.Tibs.ww [Kaspersky Lab] | 1,248 |
| Trojan-Downloader.Small!sd6 [PC Tools] | 1,246 |
| Win-Trojan/Xema.variant [AhnLab] | 1,116 |
| Possible_Virus [Trend Micro] | 1,093 |
| Trojan-Downloader.VB.VPG [Ikarus] | 1,088 |
| Generic Downloader.ab [McAfee] | 1,076 |
| BackDoor-DNP.dll [McAfee] | 1,027 |
| TROJ_DLOADER.DYA [Trend Micro] | 997 |
| Worm.Win32.Viking.ex [Ikarus] | 990 |
| Trojan-Downloader.Small!sd5 [PC Tools] | 887 |
| Trojan-GameThief.Win32.OnLineGames.trxn [Kaspersky Lab] | 812 |
| TROJ_DLOADER.ZIM [Trend Micro] | 798 |
| Trojan-Downloader.Win32.Homles.br [Kaspersky Lab] | 786 |
| Trojan.Popuper [PC Tools] | 766 |
| Troj/LogThief-A [Sophos] | 756 |
| Trojan-Downloader.Win32.Small.agbh [Kaspersky Lab] | 756 |
| Trojan-Dropper [Ikarus] | 726 |
| Trojan.Zlob [Ikarus] | 699 |
| Trojan.BHO!sd6 [PC Tools] | 682 |
| Troj/Renos-BS [Sophos] | 679 |
| Trojan-Downloader.Win32.Agent.arpa [Kaspersky Lab] | 679 |
| TROJ_SMALL.KGX [Trend Micro] | 650 |
| Trojan.Win32.BHO [Ikarus] | 649 |
| TROJ_LOOKED.MO [Trend Micro] | 648 |
| Worm.Viking [PC Tools] | 625 |
| Trojan-Downloader.Small.GEN [PC Tools] | 613 |
| Trojan-Downloader.Win32.Small.jis [Kaspersky Lab] | 588 |
| Win-Trojan/Downloader.9728.KT [AhnLab] | 579 |
| Trojan-Downloader.Win32.Agent.dvd [Kaspersky Lab] | 572 |
| Adware.TTC!sd5 [PC Tools] | 562 |
| Trojan-Downloader.Win32.Agent.bexw [Kaspersky Lab] | 560 |
| TROJ_LOOKED.AI [Trend Micro] | 550 |
| Generic Downloader.s [McAfee] | 541 |
| Trojan-GameThief.Win32.Nilage [Ikarus] | 534 |
| Trojan-Downloader.Small [Ikarus] | 531 |
| Worm.Win32.Viking.n [Kaspersky Lab] | 525 |
| Worm.Win32.AutoRun [Ikarus] | 501 |
| Worm.Win32.Viking.ba [Kaspersky Lab] | 494 |
| Trojan-Downloader.Win32.Agent.bhyn [Kaspersky Lab] | 488 |
| Win-Trojan/Downloader.7680.MI [AhnLab] | 485 |
| Troj/BHO-IA [Sophos] | 484 |
| Generic Downloader.z [McAfee] | 481 |
| Trojan.Win32.BHO.iaw [Kaspersky Lab] | 462 |
| Mal/TinyDL-T [Sophos] | 435 |
| TROJ_DLOADER.CSZ [Trend Micro] | 434 |
| TrojanDownloader:Win32/Troxen!rts [Microsoft] | 421 |
| Trojan-Downloader.Win32.Renos.DU [Ikarus] | 415 |
| Trojan.DL.Agent.VRX [PC Tools] | 414 |
| W32/Autorun.worm.gen [McAfee] | 408 |
| W32/Winko.worm.dll [McAfee] | 398 |
| Trojan.Matcash.Gen [PC Tools] | 393 |
| Mal/Inet-Fam [Sophos] | 385 |
| TROJ_LOOKED.GX [Trend Micro] | 380 |
| Generic Packed [McAfee] | 376 |
| Trojan-Downloader.VB.AWJ [PC Tools] | 369 |
| PWS-Bluedit [McAfee] | 368 |
| Troj/Dloadr-BMT [Sophos] | 361 |
| Trojan.DL.Ftpgzips.A.Gen [PC Tools] | 361 |
| Trojan-Downloader.Win32.Small.agct [Kaspersky Lab] | 361 |
| Win-Trojan/Yanshi.3072 [AhnLab] | 360 |
| Trojan:Win32/Rlsloup.B [Microsoft] | 351 |
| Worm.Win32.AutoRun.nvc [Kaspersky Lab] | 340 |
| not-a-virus:AdWare.Win32.BHO.dwl [Kaspersky Lab] | 320 |