EXE from XLS Padlock shows up as Trojan

A

aspiga

New member
I tried testing my compiled software on a new windows machine and it gets blocked by
windows saying it’s a virus. Specifically a Trojan: Script Wacatac.html .
How do I get it to stop doing this. I went out and got an official cert
from Comodo and put it on the software but this doesn’t seem to stop it.
 
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That’s strange, we do not get this issue.

Can you please try to disable UPX compression? You’ll find the option in Advanced Options.

And you said the EXE file is signed. Do you think you could share it with us? If yes, you can zip it and upload it to https://wetransfer.com

This is a free file hosting service: after upload, they will give you a URL. Please send us this URL so that we can download the Zip archive.
 
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Commodo signing your exe helps but it is separate from ‘Microsoft Defender SmartScreen’ which will block any new signing company’s exes until its reputation is set over a period of time, however you can upload the file to MS to certify it into their antivirus list: Link: Submit a file for malware analysis - Microsoft Security Intelligence Then click ‘software developer’ and upload your file (up to 500mb max), hint: use Edge as the browser.
 
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Also keep in mind that your exe file is already blacked-listed on that computer via Windows Defender Definition List, so even after you get it approved with MS it will still show up as bad on that computer until you erase/refresh your Defender Definitions list, but will be fine on other (users) computers and they will not get the warning.
Which is why I wait to get my files approved (thru MS submission) first, then after it is approved, then I upload for distribution afterwards.
 
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Thanks, this is great info. Do I need to do this process each time I do I new revision?

Adrian
 
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Hopefully just need to this just once per GUID (ex: ‘Inno Setup’ can generate a unique GUID, just keep the GUID the same per SKU).
(The GUID is what MS uses to identify your uploaded file).
 
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Do you have any source or doc about this GUID? Could not find any info about that and how Microsoft uses it.
 
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