AppRiver Blog

Necurs Botnet Launching Massive Ransomware Attacks

****Update: 12/29/2017 9 A.M.****

Necurs botnet operators continue to show unpredictability. Following the afternoon blog update yesterday they turned up the volume.  It ended up being our highest volume day of the year originating from the massive botnet.  We blocked 49,784,485 million ransomware messages destined to...

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Malware Activity Heating Up

In September, the number of emails containing malware reached their highest levels thus far in 2017, as seen by our filters. So far, October is shaping up to continue that trend.

We have been monitoring this activity closely.

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Necurs Returning After a Short Vacation

Virus traffic has been huge so far in 2016. Mostly, this has been thanks to ransomware, and in particular, Locky distributed by the Necurs botnet. We've been seeing malware traffic counts in the tens of millions daily here for sometime now. This, of course, has its ups and downs, but for the past three weeks it's been...

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