The viruses targeting at mobile devices are really the new target of cybercriminals. According to quarterly report released on Tuesday by McAfee reports that Android and Symbian operating systems are more prone to attacks and threats identification Rustock reduces the number of spams, the lowest recorded since 2007.
"Although the last quarter has once again shown that the growth of spam has slowed, it does not mean that cybercriminals are looking for new ways. Identified the emergence of many threats such as malware botnets and new to Android, trying to take the Rustock's position, which should significantly affect this activity in the coming months, "said Vincent Weafer, senior vice president of McAfee Labs in a statement.
With over 6 million unique malware samples, the first three months of this year were record in the history of malware. In February saw the largest number of samples, approximately 2.75 million. It was also the quarter with the highest volume of fake antivirus programs, which reached its highest level in over a year, in March bringing the total to 350,000 different samples.
The malware has left only affect computers. As the popularity of Android devices become a new target, in the first quarter, the platform already occupies the second most popular for mobile malware behind the Symbian OS. McAfee Labs discovered more sophisticated forms of mobile malware for Android, and Android / DrdDream, Android / drad, Android / StemySCR.A AndroidBgyoulu and that affected from games to applications and data from SMS.
The overthrow of the botnet (a collection of software agents or bots that run autonomously and automatically) Rustock caused the closure of the main structures of zombies, leading to a decrease in the volume of spam worldwide. Last quarter, the number of spam has dropped significantly, to less than half what it was just a year - about 1.5 trillion messages per day, exceeding the legitimate mail traffic at a rate of only 3 to 1.
Although the development of Zeus botnet has declined, the author apparently shifted their efforts to combine the source code of Zeus with the botnet SpyEye, generating threats that have affected large banking and the Internet. In March 2011, the latest botnet SpyEye able to take advantage of more than 150 modules, such as USB drives, instant messaging and certificate-ons