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"Corrupt file:" Error Message in View Scan Log

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What does "Corrupt file:" mean, and what should I do about the files Sophos marks as "corrupt"?

When I do scans and look at the scan log I get this "Corrupt file:" error message (see below).  In this case it found 32 "Corrupt file(s)" but no threats.  

2012-05-18 23:40:28 -0600 Corrupt file: /Users/name/Library/Mail/Mailboxes/TopEnclosureOnMyMac/Family.mbox/Attachments/6648098/2/Thesis July 8.doc

2012-05-19 00:53:16 -0600 Corrupt file: /Users/.name/name.sparsebundle/bands/166f

2012-05-19 00:56:39 -0600 Corrupt file: /Users/.name/name.sparsebundle/bands/3625

Scan completed at 2012-05-19 03:58:10 -0600.

1919890 items scanned, 0 threats detected, 32 issues

:1007269


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    In most cases, it means exactly what it says: the file is damaged in some way, and should be replaced with a known-good copy.

    However, it can also in rare cases just mean that the file is very similar to a known filetype, but is different in some way that makes it unparsable by the scanner.

    Do you know what these files are?  The first one's a word document email attachment that is likely damaged (best to save as if you want to keep the content) and the second two look slightly dodgy -- they're hidden in a sparsebundle inside a hidden folder in your /Users/ folder (which should only contain the Shared folder and a folder for each user registered on your machine).

    You can ignore files marked as corrupt, but I'd suggest running Disk Utility to verify your data integrity, and find good backups to restore of files that are flagged if you can.

    :1007271
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  • 0

    In most cases, it means exactly what it says: the file is damaged in some way, and should be replaced with a known-good copy.

    However, it can also in rare cases just mean that the file is very similar to a known filetype, but is different in some way that makes it unparsable by the scanner.

    Do you know what these files are?  The first one's a word document email attachment that is likely damaged (best to save as if you want to keep the content) and the second two look slightly dodgy -- they're hidden in a sparsebundle inside a hidden folder in your /Users/ folder (which should only contain the Shared folder and a folder for each user registered on your machine).

    You can ignore files marked as corrupt, but I'd suggest running Disk Utility to verify your data integrity, and find good backups to restore of files that are flagged if you can.

    :1007271
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