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I installed Myst IV Revelation yesterday and got some sort of error flag from Norton Security. I ignored the warning and played the game. Today I rebooted the machine as requested by a Norton popup and found that the game was not in the list of installed games. It offered to let me install but that was blocked because the file was flagged as a malware item with a Threat name of Heur.AdvML.B.

I need some advice or I will simply request a refund from GOG.
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dperry112: Norton Security
There's your answer.

I had Norton once. True story: It updated itself and then flagged the update as a possible virus.
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dperry112: I installed Myst IV Revelation yesterday and got some sort of error flag from Norton Security. I ignored the warning and played the game. Today I rebooted the machine as requested by a Norton popup and found that the game was not in the list of installed games. It offered to let me install but that was blocked because the file was flagged as a malware item with a Threat name of Heur.AdvML.B.

I need some advice or I will simply request a refund from GOG.
The "Heur" means that Norton used heuristics to classify this as malware. i.e. it's not malware, but based on its behaviour Norton thought that it is. It's a false positive.

You have to add it to Norton's exclusion and then reinstall.
uninstall norton, never reinstall it, problem solved.
it's Norton, it's infamous for this kind of thing, unfortunately!
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fortune_p_dawg: uninstall norton, never reinstall it, problem solved.
INDEED!
many years ago i had a virus which modified the registry - each time i tried to run an exe, it was ran through the virus. so norton deleted the virus, making me unable to run any more executables! i renamed regedit.exe to regedit.scr, i ran it, changed registry and problem solved... :-/

but some days ago malwarebytes said ja2.exe is generic ransomware.. had to put it in exclusion list ok? ok?! ok fine...
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dperry112: I need some advice or I will simply request a refund from GOG.
As others have said, it's probably another "false positive".
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dperry112: I need some advice or I will simply request a refund from GOG.
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AB2012: As others have said, it's probably another "false positive".
ok THANKS
If you really wanna give it a good tinfoling, there are services upon which you can inquire the total hits a program has in various antivirus engines.

For example, I know that ClamAV and VirusTotal both have uploaders to mass compare.
On VirusTotal you can actually paste the file's checksum/hash (MD5/SHA) in the search box and it will give you the results if the file is in its database.
Norton is the crazy guy with a tinfoil hat of the antivirus world
Norton is a bit nuts. Might want to rid your computer of it.
Its likely a false positive from the "Hueristics" anti-virus component

https://support.norton.com/sp/en/us/home/current/solutions/kb20100222230832EN_EndUserProfile_en_us

Simply white-list it, and then send the exe to Symantec/Norton for analysis which helps them update their anti-virus whitelists

https://submit.symantec.com/false_positive/
Post edited July 05, 2018 by satoru
Last time i uninstalled norton, it uninstalled my network drivers and start button, but that was windows XP. Knowing that the program it refused to accept as an exception was not a virus, i came to the conclusion that Norton, in the end, was the real virus.