As expected, we are seeing another wave of attacks exploiting the vulnerability detailed in security bulletin MS08-067. Early last week we blogged about MS08-067 exploits. At that time, the number of exploits in the wild was still low and they were...

Win32/FakeSecSen was added to MSRT November release as Hamish mentioned in his MMPC blog . We’ve since observed MSRT removing FakeSecSen from 994,061 distinct machines. Breakdown of these removals by regions is shown as below. Region...

A few weeks ago, Microsoft released an update for a vulnerability in Windows that was considered “wormable” in certain scenarios. Bulletin MS08-067 includes more information. There were limited attacks in the wild at the time of the release and we blogged...

In February of last year, SPTH said "I'm going to sleep for a number of years", which turned out to be less than two. Interestingly, this is exactly the same phrasing that roy g biv used before he switched to writing Windows viruses. The number was five...

I hate rogues. I don’t mean the World of Warcraft character class; I’m talking about rogue security software. In case you haven’t heard the term before, this is software that tells you that your system is crawling with bad stuff (for free!) and then offers...

Microsoft Authenticode® is a technology that can help ensure the source of code. It does not ensure that code is safe to run, but it can ensure that the code is associated with an entity in a trust chain. Since you should base your trust decision about...

One of our goals here at the Microsoft Malware Protection Center (MMPC) is to share the valuable data, insights and expertise we have with customers on a regular basis in an effort to help customers better understand the changes occurring in the threat...