Player 1 Limps Back Into the Ring - Hello again, Locky!

Player 1 Limps Back Into the Ring - Hello again, Locky! Back in May, the Necurs spam botnet jettisoned Locky ransomware in favor of the new Jaff ransomware variant. However, earlier this month Kaspersky discovered a vulnerability within Jaff which allowed them to create a decryptor. This turn of events seems to have caused the miscreants behind Necurs to scramble to distribute a different ransomware payload. Falling back on their old tricks, they have selected to re-distribute Locky ransomware. The Spam Campaign. The spam that is distributing this ransomware campaign is not significantly different from other ransomware spam campaigns that we have seen from Necurs. Ransomware-oriented spam campaigns from Necurs typically involve order confirmations, payment receipts, business documents, and so on -- all with the common goal of social engineering victims into opening the attachment. The volume of Locky spam Necurs has sent since the start of this particular campaign is notable