Worth a read:
My only question is why would the dropper care whether it's running in a virtual environment? A bit more digging reveals that the malware author is assuming that if his code ends up running in a VM, it's probably a sandbox and being studied, so the malicious code refuses to co-operate. Clever.
Here's the analysis of Cryptowall 2.0, from the same blog:
Dance Your PhD’s 2018 winner mixes superconductivity and swing dancing - Canadian grad student Pramodh Yapa wrote, choreographed, and shot video in 6 weeks.
8 hours ago