[Bug 49024] Malicious software able to alter, infect and/or destroy personal files

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49024

--- Comment #4 from marcus-s <youtube at marcus-s.de> ---
>> ... but do you expect it to protect you from some unwanted things that scripts can do?

Frankly speaking, that is something pretty fundamental - I would like to see
such an ability or mechanism in professional grade software. Windows,
ironically, does have at least an attempt of such a mechanism that warns users
when critical access happens or when system files are changed. In the very
least, Wine should have some kind of protection or warning mechanism when a
program attempts to access something outside the Wine prefix.

>> ... then (unless the malware is specifically designed for Wine and will exploit host security somehow) no software run in the prefix will be able to do what your describe.

As I said, in performed a test myself on a real machine with a malware
specifically designed to target Windows machines. At first, I could not believe
this to be the case - but it is true. This is documented and shown in my own
video (I speak German though):

https://www.youtube.com/watch?v=37BUwFH_yKI

In another video, the same ability under Wine is demonstrated:

https://www.youtube.com/watch?v=7cUL1HKfTK0

And another one for good measure:

https://www.youtube.com/watch?v=TErrIvyj_lU

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