How to clean an infected computer:

1) Boot from Alan's Ultimate Boot CD

2) Delete temp files (GO, PROGRAMS, UTILITIES, DELETE TEMP FILES)

3) Run "Prevx Scan C:" (located at: GO, PROGRAMS, ANTIVIRUS). Manually delete located viruses.

4) Run SpyBot Search & Destroy (GO, PROGRAMS, ANTIVIRUS, SPYBOT MANUAL CLEAN)
   Download newest updates then check for spyware.

5) You may manually search the registry for malware using "RegLoad PE"
   (GO, PROGRAMS, UTILITIES, REGISTRY)

6) Start File Manager (GO, FILE MANAGER) and navigate to: 
   C:\Documents and Settings\All Users\Start Menu\Programs\Startup
   Delete any unnecessary entries. 
   Repeat for every user:
   C:\Documents and Settings\Administrator\Start Menu\Programs\Startup
   C:\Documents and Settings\Default User\Start Menu\Programs\Startup
   C:\Documents and Settings\............\Start Menu\Programs\Startup
   etc.

7) Run chkdsk utility (GO, PROGRAMS, SYSTEM, STORAGE CHECK DISK)
   Choose "Fix errors on the disk"

8) Run disk defragmenter. (GO, SYSTEM, STORAGE, DEFRAG)

9) Perform additional registry cleaning with RegistryFix (requires CD license)
   Boot back into Windows, load CD into drive, click GO, PROGRAMS, UTILITIES,
   REGISTRY, REGISTRYFIX.  *(DO NOT USE FOR TERMINAL SERVERS, VISTA, or Windows 7)