igor, thanks for your reply.
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Outlook Express compacts folders automatically every once in a while when I exit OE. So, it has been compacted many times in the past, before that initial scan. I just compacted all folders manually, and ran another scan (Quick Scanner) on just this file. It fired 5 alarms:
Deleted Items.dbx\Forum notify.eml#90212\PartNo_0#36938086 ......... Win32:Beagle-gen1 [Mail]
Deleted Items.dbx\Forum notify.eml#90212 ......... Win32:Beagle-gen1 [Mail]
Deleted Items.dbx\Banking Mail From Citibank.eml#1946384\PartNo_0#3153810195 ......... Phish-Bankfraud1-Troj [Htm]
Deleted Items.dbx\Banking Mail From Citibank.eml#1946384 ......... Phish-Bankfraud1-Troj [Htm]
Deleted Items.dbx ......... Win32:Beagle-gen1 [Mail]
This is unlike the full system scan (on thorough setting), which only fired one alarm:
Deleted Items.dbx ......... Win32:Beagle-gen1 [Mail]
It appears as though the Quick Scanner is actually checking each individual piece of email within the .dbx file, where as the thorough system scan did not. Is this correct?
In any case, Avast! recommends moving the file into the Virus Chest, on each alarm. I have done so on the first four, but not on the last. Why? Because it appears it will move the entire .dbx file into the chest, which I do not want to do - I want to keep the deleted items that are not infected. I have made a backup copy of the .dbx file to test this out, and this is the case... Perhaps the program could be more cautious on such a file, and not recommend to have it moved to the chest?
In any case, after I have moved the first 4 alarms into the Chest, I checked the file again, and no viruses were found.
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I had emailed the mode-switching DOS program (50.EXE) to you from the Virus Chest before I read your note above. I did include a description of the program with the email.
But, just in case the above isn't sufficient, I emailed you the .ZIP file like you said. I also included 40.exe and 80.exe which are two similar programs - almost identical to 50.exe - which Avast! does not trigger an alarm for. I thought this would help resolve the problem.
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(P.S. Regarding the forums, the default setting is to NOT receive an email notification for replies to topics that you start yourself. Since I had posted this topic before changing my preferences, I had to manually check for replies until I made a reply myself. I thought I'd mention this in case no one was aware.)