Among the most common misconceptions about the way a novice cybercriminal would approach his potential victims has to do with the practice of having him looking for a ‘seed’ population to infect, so that he can then use the initially infected users as platform to scale his campaign. In reality though, that used to be the case for cybercriminals, years ago, when managed cybercrime-as-a-service types of underground market propositions were just beginning to materialize.
In 2013, the only thing a novice cybercriminal wanting to gain access to thousands of PCs located in a specific country has to do is to make a modest investment in the (managed) process of obtaining it. Let’s take a peek at one of the most recently launched such services.
More details:
PUA’s (Potentially Unwanted Applications) are often nuisance applications which serve little purpose other than using your computer as a gateway for online advertisements or as a catalyst to deliver annoying applications that may pester you to the point where you want to throw your computer out a window. Anti-Malware companies usually have pretty weak detection of these types of programs and have generally failed to protect their customers’ computers from this sort of bloatware. As a result, countless users have to suffer through agonizing pains of pop-up windows, webpage redirects, search redirects, and sometimes even bluescreens just to try and get their daily 
