A week in security (July 03 – July 09)

A compilation of security news and blog posts from the 3rd of July to the 9th. We go over our latest Cybercrime Tactics & Techniques Report, summarize the Petya ransomware outbreak, and more.

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AdGholas malvertising thrives in the shadows of ransomware outbreaks

Several large malvertising campaigns went unnoticed amidst the news of the latest ransomware outbreak.
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Cybercrime
Exploits
Tags: adgholasastrumEKexploit kitmalvertising

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If these universities had run an ad blocker they might have been saved from ransomware attack

Until advertising networks manage to clean up their act, and stop distributing ads that are put our privacy and security at risk, I can’t advocate anyone going on the internet without an ad blocker.
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The numeric Tech Support Scam campaign

A new tech support scam campaign is being pushed in lieu of exploit kits. We take a look at its distribution method and how it is able to bring browsers to their knees.
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Social engineering
Threat analysis
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Ad industry launches cybersecurity intelligence-sharing organization

Digital advertisers’ Trustworthy Accountability Group said it will take on a new cybersecurity role as the first information-sharing and analysis organization in the industry. “Despite the widespread vulnerabilities facing digital advertising — including ad-distributed malware, malicious pirate sites, and security holes exploited by fraud — there has not been an official ISAO to help coordinate the digital ad industry’s response to those threats to this point,” Andrew Weinstein, a spokesperson for the group, said. TAG’s announcement comes the same day of the discovery of Judy malware, auto-clicking adware that reached over 4.5 million downloads in the Google Play store across 41 apps. The infecting apps were recently removed by Google after several years on the store. Malware cuts into the advertising industry’s bottom line.  In addition to slowing connections and distracting users, malvertising can pose serious cybersecurity risks and deliver downright dangerous payloads. Making ads more secure raises the possibility that users won’t […]

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RoughTed: The anti ad-blocker malvertiser

A look at RoughTed, a purveyor of ad-blocker aware malvertising responsible for a range of scams, exploits, and malware.
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Cybercrime
Malware
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GootKit Malvertising Brings Redirection Attacks to Italian Banks

The cybergang behind GootKit followed up its recent U.K. activity by launching redirection attacks at Italian banking services.

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NoTrove threat actor delivering millions of scam ads

Researchers at RiskIQ have identified NoTrove, a threat actor that is delivering millions of scam ads that threaten consumers and further undermine the digital advertising industry. NoTrove was so effective that one of his pages ranked as one of the internet’s most visited pages for one day. Earliest observed instance of NoTrove The online ad scams work by serving up attractive but disingenuous ads on legitimate websites. The ads might offer bogus surveys or free … More Continue reading NoTrove threat actor delivering millions of scam ads