Researchers say that for the most part, users lack of security savvy and laziness about updating their PCs essentially obviates the need for the use of novel techniques to make these scams work. The tactics that attackers use to spread their useless garbage have remained consistent for most of the last four or five years. The end result of all of this is that users are still making life too easy for the attacks. The use of these tools to spread malicious software has not changed over time, although they have added some features to make them more difficult to find.
Source: https://threatpost.com/users-still-making-life-easy-scareware-crews-090310/74424/