Category Archives: ransomware analysis

Fantom Ransomware: Windows Update Disguise

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A new ransomware called Fantom has been discovered that disguises itself as a Windows update. When executed, like the latest ransomware variants, it will encrypt your files and later ask for payment to decrypt them. The ransomware was written in C#. This code was retrieved from a publicly available ransomware framework. This was used by […]

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Zepto Ransomware Packed into WSF Spam

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ThreatTrack Labs has recently observed a surge of spam containing a zip attachment with a WSF (Windows Scripting File) to deliver Zepto ransomware. This tactic is a change from the common JavaScript and macro documents being spammed previously. Here are actual emails featuring familiar social engineering tactics: The zip attachments contain the WSF.   An Interactive […]

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