Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Detected by | All Sophos products |
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action

Summary
Action
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Please follow the instructions for removing infected executable files.
More Information
W32/Stepan-B is a mid-infecting polymorphic virus. The virus attempts to inject itself into the Explorer process or into the process with the topmost window.
W32/Stepan-B infects EXE files on the local machine and in shares.
On computers located in the US the virus will attempt to overwrite files with zeros on certain days.
