Eddy
2
It is not likely that XPLite caused the malware. Very likely something else was responsible for it.
QHost takes advantage of a “object type” vulnerability in Microsoft’s Internet Explorer browser. Exploits were discovered in september/october 2003. (more info)
1] There is no application, nor will there ever be, that can detect and remove all malware.
2] Avast’s main priority is detecting viruses, not all malware.
3]
which detected and removed 12 trojans+virus+malaware+cookies
trojans and viruses
are malware.
Perhaps the definations HERE will help you to understand the differences.