Downad / conficker symptoms
When the downadup or conficker worm is executed in a PC, win 32 downadup virus disables systems such as the Windows Automatic Update, Windows Security Center, Windows Defender and Windows Error Reporting. The downadup worm also gathers personal information and installs malware into the infected computer. The downadup worm also attaches to several windows processes including svchost.exe, explorer.exe and services.exe. Other symptoms are enumerated in this site
Removing conficker worm
Several Win32 conficker removal tools are now available but because the conficker worm also spreads through portable storage devices such as USB drives, disabling your PC’s autorun feature for external media is recommended. Here is how to remove conficker with a conficker remover:
Download downadup/conficker remover
The above conficker remove link downloads the Symantec W32.Downadup Removal Tool. You can also use the F-SECURE Malware Removal Tool and Microsoft’s Malicious Software Removal tool.
You can also read the following articles to learn more how you can protect your PC from Conficker virus, repair conficker virus damage and how you can manually remove conficker:
Virus alert about the Win32/Conficker.B worm
Protecting Against the Rampant Conficker Worm