Deceiving Malware: Simulating a CPU Fan in a Virtual Machine
By
todsacerdoti
If you only eat one bagel today, this is the bagel.
Summary
Malware often checks for the presence of a CPU fan in virtual machines to avoid detection by security researchers. The article discusses how the author made a virtual machine think it has a CPU fan to deceive malware.
Key quotes
· 2 pulledOne of the observed ways malware checks for the presence of a CPU fan is by looking for the Win32_Fan class in WMI.
And the reason they do this is they want to avoid running in virtual machines, because they want to complicate the analysis process for security researchers.
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