yes, of course you don't package viruses with your software, and I added an exclusion for the whole clamav directory. I can't (I'm not able to) send a sample to Virustotal, since it seems to be a temporary directory built when downloading updates, so when I check the directory seems to be already gone. And, I don't like to exclude directories in general, since it would be cute for a malware to install itself in an excluded directory... which is why I asked. Also, this is a very old issue, antimalware detecting other antimalware's files as malware, so I supposed this to be tested as routine before releasing updates. If it is a false positive, other people would have the same issue. JohnJ had exactly the same issue, so now I'm fine .