cel7

A tiny grid-based game framework · By rxi

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Possible Windows Defender false positive?

A topic by V360 created Jul 13, 2020 Views: 493 Replies: 6

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V3604 years ago

When I tried to download cel7, Firefox blocked the download as an “untrustworthy” file. I clicked allow, and when it finished downloading Windows Defender started complaining about it. Here’s the report it gave me after it removed cel7.exe.

Threat Detected: Trojan:Win32/Wacatac.C!ml
Alert Level: Severe
Date: 7/13/2020 5:53 PM
Category: Trojan
Details: This program is dangerous and executes commands from an attacker.

And it seems VirusTotal detected it too: https://www.virustotal.com/gui/file/ebac4996dc5b09042d13c05a02d21f5a99b1b33a5ad7c870e9f7708838c27d9d/detection

rxiDeveloper4 years ago (1 edit)

Thanks for letting me know -- this is likely due to the means used to reduce the file size. I've updated the Windows version, hopefully this fixes the issue!

Deleted post4 years ago

Deleted 1 year ago

archaeopteryx4 years ago

I'm seeing the same warning from Windows Defender about "Trojan:Win32/Wacatac.C!ml" with the updated build (as of 2020-07-14)

rxiDeveloper4 years ago

I've uploaded a new version which, at the cost of file size, doesn't use UPX -- I assume this was causing the false positives. Let me know if this fixes the issue!

archaeopteryx4 years ago(+1)

It works now! Thanks! Windows Defender didn't complain at all this time - only the expected Google Chrome warning about this file being rarely downloaded.

This is super fun to play with. Thanks so much! Totally worth $7 and more :)

mikemar104 years ago

I downloaded the latest build about 3 hours ago. I don't get a Windows Defender threat detected when I scan but I did initially get a warning from Firefox when I downloaded the file and a warning from (I think) Windows Defender when I first ran the exe. I can't replicate now, presumably because I told Windows Defender to not worry about it.

rxiDeveloper4 years ago

In contrast to OP's issue these sound like the standard messages you would get when trying to download any executable -- my assumption is downloading another game from itch would result in the same warnings, assuming the game was very new or otherwise infrequently downloaded.

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cel7

Possible Windows Defender false positive?