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    Archive for the ‘Malware’ Category




    Early this year Microsoft reported an increase in macro-related threats being used to spread malware via spam. Similarly, we’ve been seeing a drastic increase in spammed emails with attached Microsoft Word documents and Microsoft Excel spreadsheets that come with embedded macros. Macros are a set of commands or code that are meant to help automate certain tasks, but recently the bad guys have yet again been utilizing this heavily to automate their malware-related tasks as well. Here are some recent blog ...

    Posted in Malware, Spam | 1 TrackBack »



    Today, personal communication is greatly enabled and enhanced by various messaging apps that provide text messaging, voice calls, photo sharing, and even video chat. These apps are often found in smartphones—devices that have all the features of a desktop computer, plus Wi-Fi, cellular, GPS, and data connectivity. Cybercriminals have taken advantage of the convergence of the power of the smartphone and the features of chat apps to lure victims into compromising situations and blackmail them. Our latest paper, Sextortion in the Far East, talks at length ...

    Posted in Malware, Mobile |



    We have detected through feedback from the Trend Micro™ Smart Protection Network™ that the Nuclear Exploit Kit has been updated to include the recently fixed Adobe Flash Player vulnerability identified as CVE-2015-0336. We first saw signs of this malicious activity on March 18 this year. This particular vulnerability was only recently fixed as part of Adobe's regular March update for Adobe Flash Player which upgraded the software to version 17.0.0.134. However, our feedback indicates that many users are still running the previous ...

    Posted in Bad Sites, Exploits, Malware |



    Crypto-ransomware is once again upping the ante with its routines. We came across one crypto-ransomware variant that's combined with spyware—a first for crypto-ransomware. This development just comes at the heels of the discovery that ransomware has included file infection to its routines. CryptoWall 3.0 We first encountered CryptoWall as the payload of spammed messages last year. We noted that while other crypto-ransomware variants have a graphical user interface (GUI) for their payment purposes, CryptoWall relied on other means—opening a Tor site to directly ask ...




    Throughout course of my monitoring future and possible targeted attacks, I recently chanced upon a spear-phishing email sent to an undisclosed recipient that contains three seemingly harmless documents. I was curious about the attached documents so I first checked the one titled AlSajana Youth Center financial Report.docx. The so-called financial report turned out to be a non-malicious document (see Figure 1) but the other two attached files struck me as suspicious as well. Their file names were u0627u0644u0645u0639u062Fu064429u0.docx and u0625u0646u062Cu0644u064Au0632u0649.doc. Figure 1. Sample ...



     

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