Posts Categorized: Trojans


ThreatVlog Episode 6: FBI Ransomware forcing child porn on infected computers

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In this episode of the ThreatVlog, Marcus Moreno discusses a new, very malicious form of FBI Ransomware that forces the users of infected machines to look at illegal imagery, taking the scare tactics to the next level. He also discusses a new Javascript hack that takes over your browser temporarily, attempting to get people to pay for it to be unlocked.

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Spamvertised “FDIC: Your business account” themed emails serve client-side exploits and malware

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Cybercriminals are mass mailing tens of thousands of malicious Federal Deposit Insurance Corporation (FDIC) themed emails, in an attempt to trick users into clicking on the client-side exploits serving and malware dropping URLs found in the bogus emails. Let’s dissect the campaign, expose the portfolio of malicious domains using it, provide MD5s for a sample exploit and the dropped malware, as well as connect the campaign with previously launched already profiled malicious campaigns.

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Fake ‘Apple Store Gift Card’ themed emails serve client-side exploits and malware

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Apple Store users, beware! A currently ongoing malicious spam campaign is attempting to trick users into thinking that they’ve successfully received a legitimate ‘Gift Card’ worth $200. What’s particularly interesting about this campaign is that the cybercriminal(s) behind it are mixing the infection vectors by relying on both a malicious attachment and a link to the same malware found in the malicious emails. Users can become infected by either executing the attachment or by clicking on the client-side exploits serving link found in the emails. More details:

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Fake ‘iPhone Picture Snapshot Message’ themed emails lead to malware

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We’ve just intercepted a currently circulating malicious spam campaign that’s attempting to trick iPhone owners into thinking that they’ve received a ‘picture snapshot message’. Once users execute the malicious attachment, their PCs automatically join the botnet operated by the cybercriminal/gang of cybercriminals, whose activities we’ve been closely monitoring over the last couple of months. More details:

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Spamvertised ‘Export License/Invoice Copy’ themed emails lead to malware

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By Dancho Danchev We’ve just intercepted a currently circulating malicious spam campaign consisting of tens of thousands of fake ‘Export License/Invoice Copy’ themed emails, enticing users into executing the malicious attachment. Once the socially engineered users do so, their PCs automatically become part of the botnet operated by the cybercriminals behind the campaign. More details:

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How cybercriminals create and operate Android-based botnets

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On their way to acquire the latest and coolest Android game or application, end users with outdated situational awareness on the latest threats facing them often not only undermine the confidentiality and integrity of their devices, but also, can unknowingly expose critical business data to the cybercriminals who managed to infect their devices. How are cybercriminals achieving this in times when Google is automatically scanning all submissions to the Google Play store, and is also verifying the applications to prevent the abuse of potential installations from untrusted third-party stores/application download locations? Easier than you to think, especially with the recent […]

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Top 5 Fake Security Rogues of 2013

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By Tyler Moffitt We see users on the internet getting infected with Rogue Security Malware all the time. In fact, it’s one of the most common and obvious type of infections we see. The Rogues lock-down your computer and prevent you from opening any applications so you’re forced to read their scam. Although they use various tactics and convincing GUIs to get onto your computer, they all share a common goal: To get your money.

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Adobe Flash spoof leads to infectious audio ads

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By Tyler Moffitt We’ve seen quite a few audio ads infecting users recently. We think it’s a good idea to go over an in-depth look at how they infect your computer and how to remediation them. As you can see in this first picture, this is another Adobe Flash spoof that launches its signature update window. You might not be able to see, but the “f” is a little off on the tiny icon at the top left. Either way it looks quite legitimate. It doesn’t matter what option you check; once you click “NEXT” you’ll get this next window. […]

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Fake ‘Unsuccessful Fax Transmission’ themed emails lead to malware

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Have you sent an eFax recently? Watch out for an ongoing malicious spam campaign that tries to convince you that there’s been an unsuccessful fax transmission. Once socially engineered users execute the malicious attachment found in the fake emails, their PCs automatically join the botnet of the cybercriminals behind the campaign. More details:

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Fake ‘Export License/Payment Invoice’ themed emails lead to malware

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By Dancho Danchev We have just intercepted yet another currently ongoing malicious spam campaign, enticing users into executing a fake Export License/Payment Invoice. Once gullible and socially engineering users do so, their PCs automatically join the botnet operated by the cybercriminals. More details:

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