Check Point Advisories

PDF File Containing Ransomware Downloader

Check Point Reference: CPAI-2017-0428
Date Published: 21 May 2017
Severity: Critical
Last Updated: Tuesday 02 November, 2021
Source:
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description A malicious PDF file containing a downloader was observed as part of Locky ransomware campaign. A remote attacker could send spam e-mails including those PDF files and convince users to open embedded links in them. This would allow the malicious code to run and infect the target system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the PDF File Containing Ransomware Downloader protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  SMTP Protection Violation.
Attack Information:  PDF File Containing Ransomware Downloader

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