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Ransomware Attacks Continue to Spread Across Europe

08

Mar

2012

Ransomware attacks are growing in popularity these days. French users were a recent target of an attack that impersonated the Gendarmerie nationale. A few months ago, Japanese users were also hit by ransomware in a one-click billing fraud scheme targeted for Android smartphones. Last year we documented two ransomware campaigns that targeted Russian users. One […]

Category General Written by TrendLabs 0 Comments

An analysis of the pay-per-install underground economy

07

Sep

2011

A few weeks ago at the USENIX Security Symposium, researchers Juan Caballero, Chris Grier, Christian Kreibich and Vern Paxson presented their paper “Understanding the Underground Economy,” a look into the inner workings of the pay-per-install underground economy. What is pay-per-install? Security researchers use the term to describe one of the most popular malware distribution methods. […]

Category General Written by Naked Security - Sophos 0 Comments

Massive Rise in Malicious Spam

17

Aug

2011

In April this year, we reported on a spike in malicious spam. Yes, that was a significant increase but not as massive as we have observed this week. From the beginning of August, we have observed a huge surge of malicious spam which far exceeds anything we have seen over the past two years, including […]

Category Security Written by M86 Security Labs Blog 0 Comments

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Ransomware Attacks Continue to Spread Across Europe

An analysis of the pay-per-install underground economy

Massive Rise in Malicious Spam

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