| Name | Status | CLSID | Filename | Description |
| Xblock | L | 556DDE35-E955-11D0-A707-000000521957 | xclean_micro.exe | Malware remover, more here |
| XDetector cable Modem Requirement Test | L | C8A88E8D-9D33-4F01-80EC-E558545C0A9E | xdetector.cab | Optimum Online utility, more here |
| XDialer | X | 69A4F9FF-E915-11D5-A9F1-009099104002 | XDialer2.CAB | Japanese premium rate dialer - more here |
| XDialer | X | 8DCE908E-9E35-11D3-9431-009099104002 | DialX9.CAB | Japanese premium rate dialer - more here |
| XDialer | X | 9E7138EE-4E7B-11D5-94EF-006008A4ED7F | DialX16.CAB | Japanese premium rate dialer - more here |
| XLoader | X | 8C6C6922-6258-44AC-9912-53964AC55272 | xloader8.cab | German premium rate dialer, more here |
| Xlocator | X | 121AC498-3F3A-4C39-9BEA-CFC4EA809FDF | xlocatorlight.CAB | Adware, more here |
| XML DOM Document 4.0 | L | 88D969C0-F192-11D4-A65F-0040963251E5 | msxml4.cab | Related to Farmer Insurance Agent_Research |
| Xpehbam Dialer | X | AD688740-5246-40C3-1111-53959999940D | load.exe | Porn dialer, more here |
| XTools Control | U | 9BED3AC7-E6D4-43E7-B8A1-1FA502F639E1 | XTools.cab | Appears to be related to a Korean online video site |
| Xupiter | X | 26FD5192-A97C-4B48-A5D7-2420CFDCFDF2 | MCInst.cab | Adware/hijacker, more here |
| Xupiter | X | 280168BC-76BF-4CD0-B835-3D686EFA8DDC | XupiterToolbarUninstaller.cab | Adware/hijacker, more here |
| Xupiter | X | 3C5BA506-6C30-4738-9CED-797ACADEA8DC | SQLoader.cab | Adware/hijacker, more here |
| Xupiter | X | 907CA0E5-CE84-11D6-9508-02608CDD2841 | SearchSquire32.CAB | Adware/hijacker, more here |
| Xupiter | X | A27CFCAE-9351-4D74-BFFC-21EB19693D8C | XupiterToolbarLoader.cab | Adware/hijacker, more here |
| Xupiter | X | D7B3E460-9968-4191-BD6F-BEED1BC18482 | OELoader.cab | Adware/hijacker, more here |
| Xupiter | X | 907CA0E5-CE84-11D6-9508-02608CDD2846 | SearchSquire33.CAB | Adware/hijacker, more here |
| XUpload Utility | L | E87F6C8E-16C0-11D3-BEF7-009027438003 | XUpload.ocx | Persits Software XUpload, more here |
| Xvidnc Class | L | 001000AF-2DEF-0206-10B6-DC5BA692C858 | xvidnx.cab | From Vanguard Internet Control Center |