Old 5th March 2009, 08:20   #1
Junior Member
Join Date: Mar 2009
Posts: 1
"Backdoor detected" in Norman antivirus.

Hi! I dont know if this goes under "bug" or "support" area of the forum, but hey - its a backdoor we are talkin' about.

Anyhow, Norman Antivirus shuts down and deletes Winamp.exe and some file in the folder. I have tried reinstalling Winamp, but the same error occurs every time.

Anyhow, if it is a slipup in Winamp, I thought it would be nice for you to know the error. Also, a friend of me got the same message in Avast!.

Please move or delete thread if it is irrelvant.
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Old 5th March 2009, 14:10   #2
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Location: London
Posts: 6,072
This is something fairly common in NSIS installer files(not just winamp), triggers a bad CRC in ESET.

Which file is showing the problem.
Is it the installer file 'winamp555_full_emusic-7plus_en-us.exe'

Probably more of the same, but let Egg give you a definitive answer if he's around.

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Old 5th March 2009, 14:27   #3
DJ Egg
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There's no viruses in the Winamp 5.55 distribution package,
and certainly no bifrose.avsq backdoor in winamp.exe

It's either a false-positive, in which case you need to report it to your AV vendor,
or your system has been infected AFTER installing Winamp.

Attached is a screenshot of the results of a virus scan of winamp.exe v5.5.5.2405 from http://virusscan.jotti.org/
which uses all the latest detection signatures from 20 different AV scanners, including Norman & Avast.
Attached Images
File Type: jpg jotti_scan_results.jpg (124.3 KB, 200 views)
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