Trend's trouble with some zipfiles

Jason jason at ROBARTS.CA
Fri Jan 16 19:31:15 GMT 2004

Try to update your trend virus scan engine to see if this resolves the
problem I haven't noticed anything either.

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf
Of Gerry Doris
Sent: Friday, January 16, 2004 2:19 PM
Subject: Re: Trend's trouble with some zipfiles

> I'm running MailScanner with Spamassassin and Trend Antivirus.  I
> noticed that on a couple viruses in zipfiles, Trend was unable to open
> the zip due to a slightly corrupted zip header.  unzip was able to
> open it just fine, and so were users' zip programs.  The error from
> vscan was "Scan error -82".
> I just got on the list, and did this a while ago, but I wondered if
> anyone else running Trend had a problem with it.  Anyway, this is my
> workaround in, at the end of sub ProcessTrendOutput,
> just before the "return 0;" statement.
>   # ACS 11-03-03 -- This bit of code blocks files when decompression
> fails.
>   if ( $line =~ /Scan error -82/i )
>    {
>     my($virus ) = "Unopenable ZIP file";
>     my ($dot, $id, $part, @rest) = split (/\//, $trend_prevline);
>     $infections->{$id}{$part} .= $Name . ': ' if $Name;
>     $infections->{$id}{$part} .= "Found virus $virus in file
> $trend_prevline\n";
>     $types->{$id}{$part}      .= "v";
>     return 1;
>    }

I've been running Trend for months now and never noticed this error.  Then
again I may not have had a corrupted zip header???

Is this occurring with the latest Trend code?


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