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Excel takes a long time to exit

Posted on 1997-12-29
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Last Modified: 2008-03-06
My excel 95 files have recently been infected by the Laroux Macro virus. After removing it using the Microsoft Virus add-in, my excel 95 files take much longer to close and exit even though they are very small files. I have already tried re-installing excel 95 but the problem still persists. Anyone with similar problems and have found a solution?
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Question by:jcyip
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cybrain earned 100 total points
ID: 1606695
Have you tried running another virusscanner (e.g. Thunderbyte)
because the Microsoft Add-in can't cope with some of the Macro-virusses.
Download a copy from www.thunderbyte.com and run the scanner and see if the virusses are still there.
Hope it works.

cybrain
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Expert Comment

by:cybrain
ID: 1606696
Hi there again,

Maybe if the new virusscanner didn.t work either you could try the following:

When you open a spreadsheet infected with the Laroux virus, it creates a file called PERSONAL.XLS in the Excel startup directory, and copies the viral macros there. (Note that many systems contain a file called PERSONAL.XLS that is completely innocent and unconnected to the virus; the presence of a file with this name isn't a sign of infection by itself.) Once the viral macros are installed, any other spreadsheet opened on the system may become infected.

The Laroux virus has no destructive payload, nor anything as obvious as Concept's popup "1". As usual, the best way to detect it is to use up-to-date anti-virus software. It can be removed via Excel, by unhiding the PERSONAL.XLS sheet, and using Tools/Macro to delete the auto_open and check_files macros from infected documents.

Should you just ignore the Laroux virus? Only after you make sure that your anti-virus software detects it, especially if you exchange Excel workbooks with others on a regular basis. The Laroux virus is not currently widespread, and you are unlikely to see it unless things change.

But things do sometimes change. And if they do, we'll let you know about it here.

Good Luck Cybrain.
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Author Comment

by:jcyip
ID: 1606697
Hi Cybrain, Thanks for the answer. Actually I've succesfully removed the Laroux virus from all my Excel 95 files. I had initially thought that there could be some left-overs because Excel95 still took a long time to exit. (Laroux runs some macros when you start / exit Excel) However I have recently discovered that this slow response in quiting Excel was not directly linked to Laroux. MSOutlook was the culprit. If you have MSOutlook installed, it actually makes a journal record of every Microsoft Office file that you open or close. This happens even if Outlook is not running! You can actually turn off this option in Outlook. Start Outlook, go to the Tools Options Menu and select the journal tab. Under the "Also Record Files From" section, uncheck all the MSOffice File types. (It's check by default). My MS Applications are now whizzing by!
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Expert Comment

by:cybrain
ID: 1606698
ok another problem solved great.
thanx for the responce and points.
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