A product originally designed to fight spyware and other nonvirus malware will typically work hard to clean up all the traces it can find. Files and Registry traces left behind may not be actively malicious, but they take up space and can gunk up your system. A virus-fighting program, on the other hand, figures that its work is done once it repairs or quarantines the infected executable.
There's a serious difference between virus-type threats and other kinds of malware. In order to propagate, a virus has to fly under the radar, remaining as inconspicuous as possible. Typically the virus hides by infecting an existing executable file; the virus code runs with a minimum of fuss and doesn't keep the infected file from doing its normal job. Spyware programs don't have to be so subtle. They can slop any number of files and Registry keys into your system and just hope you won't notice right away. Trojan horse programs masquerade as useful programs, so they, too, have no reason to hide.
This difference in psychology shows up very clearly when you compare avast!'s cleanup style with that of Spyware Doctor. In most cases, Spyware Doctor cleaned up amazingly well, deleting not only the essential executables, but all (or almost all) of the Registry traces and data files installed by malware as well. Avast!, on the other hand, left behind the vast majority of file and Registry traces even when it successfully quarantined all essential executable files..
PREVIOUS --- Testing the New Malware Removal
Next--- Powerful Resident Protection Avast
There's a serious difference between virus-type threats and other kinds of malware. In order to propagate, a virus has to fly under the radar, remaining as inconspicuous as possible. Typically the virus hides by infecting an existing executable file; the virus code runs with a minimum of fuss and doesn't keep the infected file from doing its normal job. Spyware programs don't have to be so subtle. They can slop any number of files and Registry keys into your system and just hope you won't notice right away. Trojan horse programs masquerade as useful programs, so they, too, have no reason to hide.
This difference in psychology shows up very clearly when you compare avast!'s cleanup style with that of Spyware Doctor. In most cases, Spyware Doctor cleaned up amazingly well, deleting not only the essential executables, but all (or almost all) of the Registry traces and data files installed by malware as well. Avast!, on the other hand, left behind the vast majority of file and Registry traces even when it successfully quarantined all essential executable files..
PREVIOUS --- Testing the New Malware Removal
Next--- Powerful Resident Protection Avast
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