| Users | Filename | Product | Company | Version | Variant |
|---|---|---|---|---|---|
| 80% | %PROGRAMFILES% \ Citrix \ system32 \ viphook.dll | Citrix Presentation Server | Citrix Systems, Inc. | 4.5.4600.1 | 3171860 |
| 4% | %PROGRAMFILES% \ Citrix \ system32 \ viphook.dll | Citrix Presentation Server | Citrix Systems, Inc. | 4.5.4200.1 | 2304946 |
| 4% | %PROGRAMFILES% \ Citrix \ system32 \ viphook.dll | Citrix Presentation Server | Citrix Systems, Inc. | 4.5.4400.1 | 7145604 |
| 4% | %PROGRAMFILES% \ Citrix \ system32 \ viphook.dll | Citrix Presentation Server | Citrix Systems, Inc. | 4.5.4050.1 | 8893963 |
| 4% | %PROGRAMFILES% \ Citrix \ system32 \ viphook.dll | Citrix MetaFrame | Citrix Systems, Inc. | 4.0.3100.1 | 5299086 |
| 4% | %PROGRAMFILES% \ Citrix \ system32 \ viphook.dll | Citrix MetaFrame | Citrix Systems, Inc. | 4.0.2350.1 | 32781477 |