Information Technology Services Centre - Wave of Ransomware Outbreak – PETYA
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  • Description:

    The latest ransomware outbreak Petya is attacking companies across the globe today. Quite a number of companies in Europe and Asia are reporting affected. 

    Your Immediate Action:   

    From the initial analysis, same as last time ransomware outbreak WannaCry, this ransom users multiple techniques to spread, including one which was addressed by a Windows vulnerability MS17-010 via SMBv1.

    To prevent being infected by this ransomware, please take immediate actions to :

    1. Ensure PC has up-to-date Windows updates.
    2. Ensure up-to-date anti-virus signatures from your anti-virus software such as Kaspersky or Windows Defender updated.
    3. Backup your files regularly and keep them in a separate and safe place.
    4. Do not open email/attachments from unknown/untrusted source
    5. Ensure you have a strong system password

    Note: these are good security defense-in-depth recommendations for prevention of being infected, but these steps alone do not guarantee against infection. 



    • Department IT support (for staff only)
    • ITSC Service Desk :
    • Email : This email address is being protected from spambots. You need JavaScript enabled to view it.
    • Phone: 3943 8845

    This alert was sent to all CUHK staff and students through mass mail on 28 Jun 2017.