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ZeuS Ransomware Feature: win_unlock

Monday, May 21, 2012
by ThreatResearch

Earlier today, while doing our daily data mining, we came across a new variant of ZeuS 2.x. It includes a new backdoor command called: win_unlock. Very interesting, turns out this slightly modified ZeuS 2.x includes a ransomware feature.
When this particular variant is executed, it opens Internet Explorer with a specific page (lex.creativesandboxs.com/locker/lock.php) and prevents the user from doing anything else with the infected system. The webpage that was opened presumably showed some type of extortion message, but it's currently unavailable because the site is offline.

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Video: Angry Birds Space Trojan & Drive-by Android

Friday, May 18, 2012
by Sean

On Monday, we released our Mobile Threat Report for Q1, and in that report we mention there's a growing number of mobile trojans that "deliver on their promises". What do we mean by that?

Well, in the past, mobile malware often offered something such as "free" mobile web services as bait, but then, during installation, the trojan would display some kind of decoy error message.

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Repost: Webinar: Making Life Difficult for Malware

Wednesday, May 16, 2012
by Sean

Jarno Niemela, a Senior Researcher here at F-Secure Labs, will be taking part in a Black Hat Webcast on Thursday, May 17, 2012. The subject is "Making Life Difficult for Malware" and will focus on system modifications that can be used to prevent malware from functioning properly in the event that your system is compromised.

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Recommended Listening: Danger In The Download

Tuesday, May 15, 2012
by Sean

The Documentary, a BBC World Service program (or programme) recently aired a 3-part series called Danger In The Download.

It's definitely worth a listen. All of the episodes are now available online.

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Download: Mobile Threat Report, Q1 2012

Monday, May 14, 2012
by Sean

It's time to publicly release our latest Mobile Threat Report, covering the 1st quarter of 2012.

Our Q4 2011 report was quite popular and this new one for Q1 is even better. More content (and pages) for your reading pleasu

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