Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Protection available since | 6 May 2005 13:30:54 (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/Viper-A is a downloader Trojan. Troj/Viper-A is a downloader Trojan.
Troj/Viper-A attempts to download and execute two files from a website to the Windows folder with the filenames WMPLAYER.EXE and WMPLAYER2.EXE. These files are currently detected as Troj/PWSAgent-A and Troj/Dumaru-BE respectively.
