The Key is to find out the Name of the Virus. Once you have that you can use Google to find the Removal Tools. From another PC download and install these two programs and copy the the installed folders to a USB Stick.
Download Spybot – Search & Destroy 1.5.2 and install it. Update it. http://www.safer-networking.org/en/download/index.html
Download Sophos and the latest IDE Files. Install it and extract the IDE files to the C:\SAV32CLI folder.
http://www.sophos.com/support/knowledgebase/article/13251.html
Copy and paste the below two lines into Notepad and save the file to the USB Stick as sophos.bat, it will scan and remove.
===============================
CD SAV32CLI
SAV32CLI -REMOVE -P=C:\REMOVLOG.TXT
===============================
The Windows Vista Recovery CD is a smaller Download than a lot of other Tools and can be used to Boot to a Command Prompt where you can connect to a USB Device to run Antivirus software.
It does’nt matter if the Default Operating System is XP based it can still be used on XP PRO or XP Home.
Creating a Windows Vista Recovery CD
http://blogs.techrepublic.com.com/window-on-windows/?p=622
Download from here: and Burn it to CD using Nero or similar.
http://coblitz.codeen.org/neosmart.net/downloads/guides/Vista_Repair/Vista_Recovery_Disc_x86.iso
Boot from the CD and on the first screen click Next, click Repair your computer, click Next and select Command Prompt.
Type in cd E: and press Enter or the corresponding Drive Letter of the USB Device. eg: c: is normally where the Operating System is installed. Unless you have your Drive Partitioned the next Drive Letter D: would be allocated to your Cd/DVD Drive. If E: does’nt work try F:
When you have changed directory type in F8continuously as the PC starts up.
You can now select Safe Mode GUI and and turn off System Restore then run Spybot from the USB Stick. Take a note of what it finds.
Just to be on the safe side when you finish do an online scan with Bitdefender.
http://www.bitdefender.com/scan8/ie.html
Remember to turn on System Restore when you have finished cleaning.
< Big Typo >