If possible, compare the SHA-1 or MD5 hash of the extracted file with official Microsoft MSDN hashes.
The noise wasn't a whir anymore. It was a growl. The hard drive light was solid, blindingly bright. Marcus took a step back. "What the hell is this?" highly compressed windows 7 iso file
Attackers know that people searching for "highly compressed" software are often trying to avoid paying for a license. These malicious ISOs often include a pre-activated version of Windows 7 that also contains a backdoor (like the infamous or Zusy variants). If possible, compare the SHA-1 or MD5 hash
Instead of downloading a mystery file from a shady site, the best (and safest) way is to create your own "Lite" version using verified tools. highly compressed windows 7 iso file