Hi

I'm using clamav with a messagewall MTA and run freshclam 0.83 to get
updates of main.cvd & daily.cvd, to convert to messagewall format I run
a perl script buildpattern.pl, which uses sigtool 0.83 to unpack the
.cvd files and merge them. 

I started seen this in the daily.db since the Daily update 756:

mh4:/tmp> grep  == daily.db 
WinREG.Lowzones.A
(Clam)==530065007400740069006e00670073005c005a006f006e00650073005c0034005d000d000a002200310030003000310022003d00640077006f00720064003a00300030003000300030003000300033000d000a002200310030003000340022003d00640077006f00720064003a00300030003000300030003000300033000d000a00220031003200

Is this consider a true valid signature, since I've always for the past
+2 years only seen signatures made of hex digits or my buildpattern.pl
only filters out such?

Having the signature starting with a '=' sign coursed my buildpattern.pl
to give a empty signature in the merged output making messagewall match
30-40% of all messages like a WinREG.Lowzones.A false positive virus :(

/Steffen

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