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"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
In the C:\Windows\Temp\ folder the Sophos Anti-Virus installation log shows:
Action ended : SetDeviceControlProperty. Return value 3
In the C:\Windows\Temp\ folder the Sophos Anti-Virus CustomActions log shows:
SetDeviceControlProperty: Failed to create DOM document (0x80040154).
First seen in Sophos Anti-Virus for Windows 2000+
One or more Microsoft dynamic link library (DLL) files are incorrectly registered.
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