Ad frauds have been helping fraudsters to generate a revenue for themselves via fake traffic, fake installs and fake clicks. Ad frauds also help the cyber thieves to deploy malware on the computers of the users. It has been estimated that cybercriminals have looted nearly $5.8 billion USD from digital ad frauds in this year itself. These ad frauds are favourite among the cyber thieves because they are really difficult to detect. It can help the criminals easily earn money through fake traffic. These are the most common online advertising frauds which are popular among the cyber criminals:
Ad fraud through mobile apps: Criminals are using mobile apps to generate revenue for themselves. This fraud involves a combination of methods like malware, bots and clicks to trap numerous people and then feed on the online advertising revenue.
Ad placement or discount fraud: This type of attack hides the advertisement on the website, even though the impression is reported. According to a general study, the scammers reduce the size of the ad so that the ad is invisible and therefore they trick the users to click on the website. The us of this fraud is to generate revenue of the fraudsters by increasing more and more ad traffic.
Ad fraud for dropping malware: This kind of ad fraud is done to first access the control of the computers or browsers and then generate revenues through ads. This is done by hijacking ads or hijacking clicks.
Hijacking browser – In this case the malware hijacks the default browser of the user. This makes the ad window to appear behind the main web browser window without the user having any knowledge that something like this has happened.
Hijacking ads – Hijacking ads are basically malware hijacks. The ad slot on the website displays an ad which generates the revenue for the attackers rather than the real owner of the website. This hijack is done by compromising the computer of the user to change the DNS resolver.
Hijacking clicks – Hijacking clicks is similar to hijacking ads. In this case the attackers redirect the user to a different site which is a copy of the original site. This allows them to steal clients from the advertiser. Hijacking clicks allow the criminals to manipulate the clicks of the users, thereby causing the download of malware or fake apps.