Could THIS be why Google Adsense Revenue is down?
Ad-hijacking Trojan Cuts into Google Revenues
18 December 2007
BitDefender antivirus analysts detected a new trojan, which hijacks
Google
text advertisements, replacing them with ads from a different provider.
The
threat, which is identified by BitDefender as Trojan.Qhost.WU, modifies
the
infected computers' Hosts file (a local storage for domain name / IP
address mappings, which is consulted before domain name servers and is
considered authoritative).
The modified file contains a line redirecting the host
"page2.googlesyndication.com" which should point to an IP of the form
6x.xxx.xxx.xxx to a different address, of the form 9x.xxx.xxx.xxx, so
that
the infected machines' browsers read ads from server at the replacement
address rather than from Google.
"This damages both users (because the advertisements and/or the linked
sites may contain malicious code - a very likely situation, given that
they
are promoted using malware in the first place) and webmasters (because
it
takes away viewers and thus a possible money source from their
websites)"
declared virus analyst Attila-Mihaly Balazs for BitDefender.
Users are advised to let BitDefender software delete the trojan.
ENDS
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Could make sense...
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