Trojan behind Yahoo and Google Ads

Be careful when interested in online advertising. Because, now a lot of malware (malicious software or malware) that hide behind a variety of online advertising.
Latest findings from researchers from Avast anti-virus companies are quoted from the site CNet, uncover malware that exploit security holes in various application platform Yahoo’s ad, Fox, and Google.
Avast security experts say that the advertising platform the most widely possessed by malware is Yahoo Yield Manager and Fimserve owned Fox Audience Network, which is estimated to reach more than 50 percent of online advertising that is infected.

In smaller quantities, the Google platform DoubleClick and MySpace are also overlain by malware. ”This is not a small player who has been infected with malware, but the ad server that is connected with Google and Yahoo,” said Lyle Frink, Manager of Public Relations of Avast.
Malware found in the ads that use Java Script is by Avast named ‘JS: Prontexi’.According to security experts Avast Jiri Sejtko, the script is a Trojan program, which targets Windows systems.
Trojan was looking for security holes that have Adobe Reader, Adobe Acrobat, Java, QuickTime, and Flash. Although computer users not to click any links, this trojan will directly infect a computer, shortly after the browser to load (loading) ads that have been possessed by malware.
The ads that have been infected with a trojan that had been milling about in cyberspace since last December. According to data from Avast, there are approximately 2.6 million customers who already possessed computers this trojan.Nearly 530 thousand of them get it from the Yield Manager ad, and another 16,300 from the Google DoubleClick.
Yahoo representative said it was investigating the matter, but could not give much information. ”We have identified this problem and is trying to incapacitate in our system,” said Yahoo to CNet.
Google spokesman also claimed to have found malware on their ads and middle fix this problem. ”When our automated system has identified this problem, we immediately stop operating the ads that have been affected by malware, and we will continue to improve our security system,” said Google spokesman.
The practice of inserting malware via advertising it began to bloom. This practice is referred to as malvertising (malicious advertising). Before this, few ads in the New York Times, TechCrunch, Drudge Report, and also briefly possessed WhitePages.com malware.