Trend Micro ScanMail Will Always PASS Test Virus
From: Powers, Brandon (bpowers_at_GOLDKIST.COM)
Date: Thu, 9 Oct 2003 15:02:33 -0400 To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM
Trend Micro ScanMail for Exchange 2000 version 6.2 (other Trend Micro
products may be similarly affected).
ScanMail will recognize the EICAR test virus and PASS it regardless of
The EICAR test virus is a harmless file that should be detected as a
virus by anti-virus software. The file is used to verify that your
anti-virus software is functioning properly.
When using Trend Micro ScanMail 6.2 for Exchange 2000 with pattern 638
or higher, ScanMail will NOT process the EICAR test virus according to
your settings (CLEAN, DELETE or QUARANTINE when not using
"ActiveAction"). Any file regarded as a "Test Virus" by ScanMail will be
This detracts from the usefulness of the EICAR test virus. While you
will be able to confirm the anti-virus software is able to detect a
virus, you can not confirm that the virus will be processed according to
To fully test ScanMail, use of a real (non-test) virus is required.
Trend Micro views this behavior as desirable; however, a patch to
correct the situation is available from them on request.
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