While you have ClamAV 0.105.1_1 in your post, the screenshot says ClamAV 
0.101_1.1, which is an unsupported version. What version of freshclam is trying 
to download updates? What do freshclam's logs say?

On Wed, Aug 30, 2023, at 12:46 PM, Jonathan Lee via clamav-users wrote:
> Hello fellow ClamAV members, 
> 
> 
> 
> Can you please help?
> 
> 
> 
> 
> Per ClamAV's website:
> "ClamAV signatures come in a variety of formats, one for each of the distinct 
> detection methods that the ClamAV file scanning engine supports. ClamAV also 
> uses the ClamAV Virus Database (CVD) file format, which serves as a container 
> for the compressed and digitally-signed official signature sets that power 
> ClamAV — daily.cvd, main.cvd, and bytecode.cvd. Each signature set serves a 
> different purpose:
> 
> 
> bytecode.cvd contains all compiled bytecode signatures evaluated by the 
> bytecode interpreter engine
> *daily.cvd contains signatures for the latest threats (updated daily)*
> *main.cvd contains signatures previously in daily.cvd that have shown to have 
> a low false-positive risk*."
> 
> 
> 
> The main.cvd is not replacing itself with an updated version.
> 
> Squid ClamAV is not updating the main.cvd and is listing 2021 version
> 
> 
> Squid Version 5.7
> Antivirus Scanner ClamAV 0.105.1_1,1 C-ICAP 0.5.10,2 + SquidClamav 7.2
> Antivirus Bases
> Database Date Version Builder
> daily.cld 2023.03.14 26841 raynman
> bytecode.cvd 2023.02.22 334 anvilleg
> *main.cvd 2021.09.16 62 sigmgr*
> Last Update Tue Mar 14 00:22:56 2023
> Statistics Found 124 virus(es) total.
> 
> Please see attached ClamAV is functional again main is not updating with 
> prior daily.cvd
> 
> 
> 
> It shows from 2021 still
> 
> 
> 
> 
> 
> Ref:
> https://redmine.pfsense.org/issues/14108
> https://bugs.squid-cache.org/show_bug.cgi?id=5297
> 
> Per developer investigation this is the newest file available for main.cvd 
> 
> _______________________________________________
> 
> Manage your clamav-users mailing list subscription / unsubscribe:
> https://lists.clamav.net/mailman/listinfo/clamav-users
> 
> 
> Help us build a comprehensive ClamAV guide:
> https://github.com/Cisco-Talos/clamav-documentation
> 
> https://docs.clamav.net/#mailing-lists-and-chat
> 
> 
> *Attachments:*
>  • Screenshot 2023-03-14 at 8.51.44 AM (1).png
>  • Screenshot 2023-03-14 at 8.53.14 AM (1).png
>  • Screenshot 2023-08-30 104608.jpg
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