Windows

Open C:windows\directory and check for and exe folders that are duplicated,check the file size and more than likely the virus is still present
Create a clean boot disk and lock the disk,boot to command prompt,now with a clean erd anti-virus disk insert in floppy and run from dos mode

This sounds like the w32.magistr.24876@mm trojan virus,
Here's the Norton reference:

http://securityresponse.symantec.com/avcenter/venc/data/w32.magistr.24876@mm.html

(There are no spaces in the URL)
They suggest:


1. Click Start, and click Run. The Run dialog box appears.
2. Type regedit and then click OK. The Registry Editor opens.
3. Navigate to the key

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Run

4. In the right pane, delete the value which references a file infected by W32.Magistr.23876@mm.

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