| Users | Filename | Product | Company | Version | Variant |
|---|---|---|---|---|---|
| 45.45% | %PROGRAMFILES% \ Symantec_Client_Security \ Symantec Client Firewall \ umcbk.dll | Symantec Client Firewall | Symantec Corporation | 5.0.0.379 | 4389352 |
| 18.18% | %PROGRAMFILES% \ NORTON INTERNET SECURITY \ umcbk.dll | Norton Internet Security | Symantec Corporation | 6.0.2.2003 | 3585699 |
| 9.09% | %PROGRAMFILES% \ Norton Internet Security \ Antivirus \ umcbk.dll | Norton Internet Security | Symantec Corporation | 6.0.2.1015 | 26995107 |
| 9.09% | %PROGRAMFILES% \ NORTON INTERNET SECURITY \ umcbk.dll | Norton Internet Security | Symantec Corporation | 6.0.2.2003 | 27295732 |
| 9.09% | %PROGRAMFILES% \ Norton Personal Firewall \ umcbk.dll | Norton Internet Security | Symantec Corporation | 6.0.2.1015 | 19202035 |
| 9.09% | %PROGRAMFILES% \ Norton Personal Firewall \ umcbk.dll | Norton Internet Security | Symantec Corporation | 6.0.0.2036 | 30448509 |