Author: Guilherme Venere

Guilherme Venere

Spam is a plague that has given headaches to system administrators and users for years. A lot of spam tries to sell “performance enhancement” medicine or lure us to suspicious websites. But one of the main uses of spam, which appears to be making a comeback, is the distribution of malware through email attachments. This […]

“Distrust and caution are the parents of security”–Benjamin Franklin A recent threat targeting Chinese users of Mac OS X and iPhone came to light yesterday. The malware, called WireLurker, is distributed by the Chinese third-party app store Maiyadi. Since the threat’s discovery, more than 400 applications containing the Trojan were identified at the store. Two […]

Most malware is created for economic purposes. To name just a few of our reports and blogs on this topic, we have written about Cybercrime Exposed, stolen data, and the Target point-of-sale malware. But sometimes it’s not clear to our customers how much time and skill malware authors invest in their tools. A recent case […]

A massive computer shutdown of two South Korean banks and media companies occurred Wednesday via an Internet malware attack. The malware wiped out the master boot records on the hard drives of the infected computers, overwriting the MBR with either one of these strings: PRINCPES PR!NCPES HASTATI. Figure 1: Snapshot of MBR after infection. The […]

Stuxnet was possibly the most complex attack of this decade, and we expected that similar attacks would appear in the near future. One thing for sure is that the Stuxnet team is still active–as recent evidence has revealed. McAfee Labs received a kit from an independent team of researchers that is closely related to the […]