Necurs: Mass mailing botnet returns with new wave of spam campaigns
Unexplained three-month absence resulted in a seven-fold decrease in rate of emails containing malware.
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After a near three-month period of inactivity, the Necurs botnet sprang back to life last week and resumed the mass mailing spam campaigns for which it has become notorious.
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#Necurs spam #botnet is back. 3-month absence saw a 7-fold drop in rate of email containing malware
Symantec has blocked up to 1.9million emails per day from #Necurs since #botnet's return
