According to Google, in 2014 5.5% of visitors to Google sites had malware infected browser that display additional advertising. After in-depth analysis of Google determined that about 10 million users unknowingly have this type of malicious software on their computers or simply can not deal with it.
Google, closely associated with the University of California, Berkeley and Santa Barbara decided to shed light on the tangled network of lucrative online advertising system. The results of the initial diagnosis allowed to assess the magnitude of the threat and that they can cope in environments different browsers in a very similar extent.
Why do the ads are a threat to security?
Ad Injectors are programs that display, joining advertisement or replace the existing advertising links to sites that fall unaware users when browsing the Internet. The main threat posed by malicious ads can bring it: to crack the encryption browsers and provide hazards in the form of malware, data theft of access to bank accounts, taking over the search and to transmit the reports of our activity outside sources.
Source: Google
Between June and September 2014, researchers found 50870 with Google Chrome extensions to more than 34,000 independent software applications showing actions similar to those which are characterized by the injectors. Approximately 38% were described as malicious software – in addition to the injectors unsolicited advertising, they also were sending spam via Facebook (24%), by acquiring the search engines (11%) for transmitting information about our activity ending.
Studies have shown that prey can fall also ours, all accesses to various auction portals such as. eBay.
The most common ad injector has been superfish.Com, which He appeared in 3.9% of cases the samples examined by Google. Right behind him is listed jollywalllet.com (2.4%), which overwrites the URL parameters and addresses of online stores.
Mac users, nor may feel safer, Google also found the risk of also running on those systems. Google has found changes in 3.4% and 5.1% respectively Pages for Mac and Windows.
How to avoid malicious ads?
If your Mac is infected or has this type of software installed on your computer, you will be bombarded with pop-up windows and colorful advertisements. The infection is most often we can see that the homepage has been changed and search engine redirected to other new source. To get rid of adware can update your operating system to the latest version of Yosemite v10.10.3 resistant or later, or try to remove the software manually.
In response to the investigation carried out, Google has promised to patch the software and removed 200 “fraudulent” extensions available in the official store for Chrome. Added the option displays a warning to users who unknowingly consume infected software.
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