[clamav-users] Faux positif ClamAV

Arnaud Jacques webmaster at securiteinfo.com
Mon Jun 3 08:50:31 UTC 2019


Hello Lionel,


> L'exécutable en question est le fichier "*jfxrt.jar*" (Java FX Runtime 
> JAR File) et il est considéré comme "*PUA.Andr.Adware.Dowgin-6888245-0*" 
> par ClamAV alors qu'aucun autre antivirus ne le voit comme une menace 
> (testé avec VirusTotal).

If you look at the screenshot of Virustotal you sent, you can see that 
Clamav does not detect the sample.

On my own Linux computer I cannot reproduce your problem :

# sha256sum jfxrt.jar
2a554529f3556cc79c2e42e22a467cc5f189bd2c73ba626cf66908a1d6474034  jfxrt.jar

# clamscan -V
ClamAV 0.100.3/25468/Sun Jun  2 10:00:03 2019

# clamscan --detect-pua jfxrt.jar --max-filesize=3000000000 
--max-scansize=3000000000 --max-scriptnormalize=3000000000 
--max-htmlnormalize=3000000000 --max-recursion=30 --max-embeddedpe=300M
jfxrt.jar: OK

----------- SCAN SUMMARY -----------
Known viruses: 8924964
Engine version: 0.100.3
Scanned directories: 0
Scanned files: 1
Infected files: 0
Data scanned: 26.12 MB
Data read: 17.59 MB (ratio 1.48:1)
Time: 114.523 sec (1 m 54 s)

Are you up-to-date ? What is your version of Clamav ? What is your 
version of signature databases ?


-- 
Cordialement / Best regards,

Arnaud Jacques
Gérant de SecuriteInfo.com

Téléphone : +33-(0)3.44.39.76.46
E-mail : aj at securiteinfo.com
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