Be careful in your inbox. Massive Locky ransomware campaign underway

Graham Cluley

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F-Secure is warning computer users about a significant increase in sightings of the Locky ransomware, typically spammed out posing as invoices or profiles for positions at your company.

Here is how researcher Päivi Tynninen described the scale of the malware campaign:

Yesterday, Tuesday, we saw two new campaigns with a totally different magnitude: more than 120,000 spam hits per hour. In other words, over 200 times more than on normal days, and 4 times more than on last week’s campaigns.

If you make the mistake of opening one of the ZIP files attached to the spammed out messages, you will find a JavaScript file inside. Clicking on it would be a big mistake and lead to your computer being hit by the notorious Locky ransomware. Before you know it, you may have lost access to your files and find yourself being blackmailed for their safe return.

Stay safe folks. Always be suspicious of unsolicited attachments.

Graham Cluley Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, or drop him an email.