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19 Dec 2007
A new Trojan that hijacks Google text ads and replaces them with ads from a different provider has been picked up by BitDefender.
The antivirus company has identified the threat as Trojan.Qhost.WU which modifies the infected computer's host file, a local storage for domain name/IP address mappings.
The infected machine's browser then reads advertisements from a server at the replacement address rather than from Google.
"This damages users and webmasters because it takes away viewers and thus a possible money source from their websites," said BitDefender virus analyst Attila-Mihaly Balazs.
Users are advised to let antivirus software delete the Trojan.
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Do you agree?
Worrysome .....
What is worrysome is that every anti-virus and anti-spyware program I know of, failed to detect the stealth loading of malicious BHO's and dll's onto the user's machines.
Posted by: The Wizzard 26 Dec 2007
Idioma
agradezco su información en español
Posted by: María Isabel 20 Dec 2007
HOSTS file
You forgot to mention whether AV software is likely to restore the HOSTS file to its pre-infection version. If it doesn't, the user will still get redirected to the alternative ad-server.
Posted by: Chris 19 Dec 2007