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Multiple Spam Waves Detected Pushing New Locky Ransomware Version

September 22, 2017  By Catalin Cimpanu

 

Reports are coming in from multiple security researchers and security firms about increased activity from one of the groups spreading the Locky ransomware.

 

These spam waves have started on September 18 and are pushing the new Locky ransomware variant that encrypts files with the .ykcol extension, which was also released on the same day.

Six big spam waves detected

Six big spam waves pushing the Locky ykcol version were seen in the past few days. Locky versions distributed by these spam waves have embedded the #3 affiliate ID, belonging to the same group that was also busy pushing Locky spam at the start of the month.

 

These Locky spam waves have been seen by Fortinet (authors of the graph breakdown below), Barkly, Barracuda, Brad Duncan, and My Online Security [1, 2, 3].

 

Recent Locky spam waves

 

Full Article.

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