Let's start you off with a couple of specific tools and then ask you to post a new HJT log when complete.
Please print out or copy this page to Notepad. Make sure to work through the fixes in the exact order it is mentioned below. If there's anything that you don't understand, ask your question(s) before proceeding with the fixes. You should
not have any open browsers when you are following the procedures below.
Go to
My Computer->Tools/View->Folder Options->View tab and make sure that 'Show hidden files and folders' (or 'Show all files') is enabled. Also make sure that Display the contents of System Folders' is checked. Windows XP's search feature is a little different. When you click on 'All files and folders' on the left pane, click on the 'More advanced options' at the bottom. Make sure that
Search system folders,
Search hidden files and folders, and
Search subfolders are checked.
Turn off system restore by right clicking on My Computer and go to Properties->System Restore and check the box for Turn off System Restore. Click Apply and then OK. Restart your computer. After we are finished with your log file and verified that it's clean, you may turn it back on and create a new restore point.
You have the Peper infection. Download
PeperUninstall. Make sure you are connected online to run this program. Run it once and reboot. Then run it again for the second time. Download
PeperFix and save it to your Desktop. Run it and click
Find and Fix (reboot if prompted).
Run an online virus scan at
TrendMicro or
RAV Antivirus. Select the Autoclean option if you use TrendMicro.
Download
CWShredder and click on Fix (it will automatically fix anything it finds for you). If it asks if you want to delete a certain random file, choose No and post that filename here.