[clamav-users] Many reports / false positives since a couple of days

Al Varnell alvarnell at mac.com
Tue Jul 31 05:17:45 EDT 2018

It helps the signature team locate those submitted files faster if you post their hash values here.


On Tue, Jul 31, 2018 at 01:53 AM, Albrecht, Peter wrote:
> Hello,
> Since Saturday (2018-07-28) we are seeing many reports from clamscan having
> found (possibly) infected files. I suspect these are false positives because checking
> the files on virustotal.com <http://virustotal.com/> returns only clamav reporting them as infected.
> The reported files are mostly jar files used by our applications (e.g. httpclient-*.jar,
> httpcore-*.jar in different versions). These are the signatures which produce most
> of the reports:
> Html.Malware.Agent-6625161-0
> Html.Malware.Agent-6625163-0
> Html.Malware.Agent-6625207-0
> Html.Malware.Agent-6625208-0
> Html.Malware.Agent-6625209-0
> Html.Malware.Agent-6625345-0
> Currently, we have whitelisted the above signatures. I suspect that it is an error
> in the database because that's the only thing that has changed since Friday. We
> are using clamav 0.99.4 and 0.100.0 on Linux with a daily update of the virus
> signatures.
> I have uploaded the file which generated the most reports yesterday to clamav.net <http://clamav.net/>
> and requested doublechecking if that would be a false positive.
> Does anybody else see such a behaviour? Any ideas of what might be the reason?
> Any suggestions what to do? Whitelisting all reported signatures would not be our
> preferred solution ...
> Thanks a lot,
> Peter Albrecht
> Senior Linux Administrator 
> Wirecard Service Technologies GmbH
> Einsteinring 35 | 85609 Aschheim | Germany
> Tel: +49 (0) 89 4424-191076
> https://www.wirecard.com <https://www.wirecard.com/>
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Al Varnell
Mountain View, CA

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