Summary

Summary
Action
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| Protection available since | 1 March 2008 22:55:47 (GMT) |
|---|---|
| Detected by | All Sophos products |
- Endpoint Security and Control 9.0
- Small business solutions 4.0
Action

Summary
Action
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Please follow the instructions for disinfecting macro viruses.
More Information
OF97/Yosenio-A is a polymorphic Office macro virus that drops a mass-mailing worm and
The worm dropped by the macro virus is detected as W32/Yosenio-A. The worm also drops a polymorphic VBS worm detected as VBS/Yosenio-A.
OF97/Yosenio-A drops the mass-mailing worm to the Windows folder as MSIEXEC32.EXE.
OF97/Yosenio-A makes changes to Microsoft Office security settings in the system registry.
