Cyber Risks · The Hacker News

CTB-Locker Ransomware Spreading Rapidly, Infects Thousands of Web Servers

Summary: A variant of CTB-Locker called CTB-Locker for Websites is targeting web servers directly, encrypting site content with AES-256 and a unique key per site, then replacing index.php or index.html with a ransom page. The demand is 0.4 Bitcoin with a deadline, rising to 0.8 Bitcoin if unpaid, and the operators decrypt two randomly selected files free to prove recovery is possible.

What you should know: Because encryption happens server-side, endpoint antivirus on user machines offers no protection, and a single compromised server can take down a site's transactions and customer access at once.

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Topics
Ransomware
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