Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Protection available since | 28 June 2005 22:33:34 (GMT) |
| 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 Trojans.
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Troj/Siggy-A is a downloader Trojan for Windows based systems.
Troj/Siggy-A downloads and executes a pre-specified file.
Troj/Siggy-A may arrive on a computer via email as a CHM file, or on computers with a vulnerable or poorly configured Microsoft Virtual Machine plugin for Internet Explorer, or computers with versions of Internet Explorer that are vulnerble to the codebase exploit.
