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Posted 23 December 2007 - 02:18 PM
Posted 23 December 2007 - 03:24 PM
Edited by rigel, 23 December 2007 - 09:17 PM.
"In a world where you can be anything, be yourself." ~ unknown
"Fall in love with someone who deserves your heart. Not someone who plays with it. – Will Smith
Posted 27 December 2007 - 12:50 PM
Posted 28 December 2007 - 03:50 PM
Posted 28 December 2007 - 04:03 PM
Posted 28 December 2007 - 04:32 PM
avast detects ActiveScan as virus
Q: Viruses have been detected in some of the 'Panda Antivirus' files on my computer (Win95:Matyas and Win32:Kuang2 in PAV.SIG mainly). Why is this?
A: This is a known problem. Let´s try to explain what´s going on...
Every virus can be identified, because it contains some unique signatures. Antiviral programs have their own database of that signatures. We call this database the "virus definition file".
When an antiviral program scans a file for viruses, it compares all the signatures (of all viruses) in the database with the signatures in that file. If the signatures match (they are the same), the file is marked as infected. For an antivirus program, it is important to hide this database of signatures somehow - e.g. by encrypting it. Panda Antivirus does not encrypt its virus database - the signatures inside are clearly "visible" to other antiviral programs, so they detect this file as infected (but there is actually no virus inside - only the signatures are the same).
ClamAV Mailing List Archive
The problem is that Panda still ships files that contain "plain viruscode", other vendors encrypt such files to avoid such false positives. So Clam is right somehow, it found the bytesequence of the virus in the file.
Posted 29 December 2007 - 12:25 PM
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