ESET Threat Blog

It's something of a truism, that 'old viruses never die', and that certainly seems to be the case for some of the older, more widespread, email worms. In this interview (http://www.signonsandiego.com/uniontrib/20041129/news_lz1b29five.html) back in 2004, I talked about an email worm called "Win32/Zafi.b" which, at the time, had recently been spreading on a global scale.
However, a … Read More…

Here's a diagnostic window that your shouldn't panic over, certainly if some cold-calling scammer directs you to it by persuading you to run a diagnostic on your own system.
But I'm getting ahead of myself.
You might think I've blogged more than enough about support scams already – you know, where someone calls you out of the … Read More…

Update: It seems like the initial article is inaccurate and that Paul Rellis never made any such comments about a 14 year old breaking into the X-Box live servers and have not offered to mentor him http://kotaku.com/5805742/microsoft-is-helping-an-xbox-live-hacker-develop-his-talent
TekGoblin reports (http://www.tekgoblin.com/2011/05/27/14-year-old-call-of-duty-hacker-hired-by-microsoft/) that a teenager who broke into the Call of Duty Modern Warfare 2 gameservers last month, … Read More…

It seems a little strange to have the words "Facebook" and "privacy" in the same sentence in one of my blogs, yet it seems that Facebook CTO Bret Taylor testified at a Senate Commerce Committee hearing on mobile phone and internet privacy.
But it turns out the story is about rather more than privacy: it's about … Read More…

Our colleagues Aleksandr Matrosov and Eugene Rodionov are tracking the evolution of TDL4 (also known as Win32/Olmarik). The following is a report on the latest TDL4 update, released last week.
In our previous blog post, we described how the latest Microsoft Security Update modified the Windows OS loader (winloader.exe) to fix a vulnerability that allowed the … Read More…

[An interesting snippet from my colleagues Aleksander Matrosov and Eugene Rodionov - DH]
Not so long ago, Microsoft released a security patch addressing the way Windows x64 operating systems check integrity of the loaded modules. In our recent report (The Evolution of TDL4: Conquering x64) we described a method used by the TDL4 bootkit to load … Read More…

* Sorry, but I couldn't resist a Crosby reference.
I was more than a little irritated over the weekend – see Faith, Hope, Charity and Manipulation - by Microsoft's use of the Japanese disaster to give the Bing search engine a little extra exposure using a chaintweet technique:
How you can #SupportJapan – http://binged.it/fEh7iT. For every retweet, @bing will … Read More…

 
UPDATE #1 Randy Abrams has posted a follow-up article, Anatomy of a Biting Bunny – The Infected Microsoft Catalog Update with additional information about how update services work, why they might distribute third-party code and what might be done to prevent malware from being distributed on services like Microsoft's Windows Update in the future.  7-FEB-2011.
 
Last week, we received … Read More…

 
Just a quick follow up on the Microsoft Security Advisory (2501696) post that my colleague Randy Abrams wrote about on January 28th regarding Microsoft's recent MHTML vulnerability, which is listed by ESET as HTML/Exploit.CVE-2011-0096.A in our signature database.
 
Although reports remain low so far, any vulnerability in a particular version of Microsoft Windows is likely to … Read More…

There is a new vulnerability that affects all supported versions of Windows and some unsupported versions. For you techies the “Vulnerability in MHTML Could Allow Information Disclosure” advisory is at https://www.microsoft.com/technet/security/advisory/2501696.mspx. If you are not a techie you might want to take a look and see how much you can understand. By reading the security … Read More…