of space, evident of Vundo's attempt at "hiding" when being antagonized. Vundo can impede download progress. Entering safe mode after attempting to use HijackThis results in a true Blue Screen of Death, which cannot be recovered from without either restoring the deleted safe mode registry keys, or a reinstalled version of Windows. The virus sometimes gives a "Run a DLL as an APP" error when some of the randomly named DLLs have been deleted. The virus will rewrite randomly named DLLs while any of them reside on machine. The virus changes \HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run and RunOnce entries to start itself when Windows starts. The virus installs adware that is sometimes pornographic. The virus installs rogue security software such as Desktop Defender 2010 and Security Center with a .wav file telling the user that their system is infected. The virus will cause the network driver to be corrupt which even after going into Registry Editor (regedit.exe) to delete Winsock 1 and 2 and trying to reinstall the driver is virtually impossible. The virus deletes the network connection under My Network Places. References Computer worms Trojan horses Rootkits Rogue software 2004 in computing Hacking in the 2000s