Around one year ago I posted about what were the most common web attacks in Spain and how the malware was spread. It is time for an update! We regularly collect data regarding infected web sites based in our detections on KSN. Apart from the general verdicts that I usually find in the top of […]
Yes, if your computer gets infected by Urausy Lockscreen, it will get locked. Luckily, not forever! Avast protects you against it. In this blogpost we will introduce an infamous lockscreen called Urausy. We will look at its special anti-debugging and anti-reverse engineering tricks, at its communication protocol, and determine what the conditions (if any) are […]
Shortly after 10:00am Jun 25th 2013, many government websites from South Korea were not accessible. It was actually caused by the malware performing ddos attack on 2 major DNS servers (ns.gcc.go.kr and ns2.gcc.go.kr).Original Attack VectorDuring the investigation, we managed to find the original attack sample which was served by a compromised website at that time […]
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