try the erd disks from trend micro, instructions and download site
trend micro PE_Weird removal info;
On Windows 2000
Restart your computer.
Press the F8 key, when you see the Starting Windows bar at the bottom of the screen.
Choose the Safe Mode option from the Windows 2000 Advanced Options Menu then press Enter.
Once in Safe Mode, click Start>Run, type COMMAND then press Enter.
In any local drive (e.g. C:\), create a folder named "Folder" in the root directory. Enter the following:
CD\
MD Folder
Insert an ERD disk, then enter:
A:
Copy the ERD files into C:\Folder. Type:
COPY *.* C:\Folder
Repeat the copy process for all Emergency Rescue Disks.
Go to C:\Folder by entering:
C:
CD Folder
Run the ERD clean procedure. Enter:
PCSCAN.EXE
Alternative Removal Procedure
Copy an uninfected EXPLORER.EXE to a diskette (You may get this file from another machine that has the same operating system as the infected machine). To do this:
Insert a DOS boot disk or Windows startup disk in the clean system.
Go to the Windows directory by typing this command after the command prompt, then press Enter:
cd Windows
To copy the uninfected EXPLORER.EXE, type this command after the command prompt and then press enter:
copy C:\Explorer.exe A:\Explorer.exe
To transfer the clean copy of EXPLORER.EXE into your machine, do the following:
Insert the DOS boot disk or Windows startup disk used earlier.
Go to the Windows directory. Type this command after the command prompt and then press Enter:
cd Windows
To copy the uninfected Explorer.exe type this command after the command prompt, then press enter:
copy A:\Explorer.exe
This message will then appear:
Overwrite Explorer.exe (Yes/No/All)?
Type Y, then press Enter.
Restart your computer.