[clamav-users] Eicar test string now returning Win.Trojan.Trojan-605
Al Varnell
alvarnell at mac.com
Thu Mar 17 06:49:42 UTC 2016
I just ran a scan against the ClamAV test files contained in the 0.99.1 source file and I’m getting all Win.Trojan.Trojan-476:
File Name Infection Name Status
/Users/avarnell/Desktop/•Download/clamav-0.99.1/unit_tests/clam-phish-exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.cab Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.zip Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.arj Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe.rtf Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe.szdd Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.tar.gz Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.chm Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.sis Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-aspack.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-pespin.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-upx.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-fsg.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-mew.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-nsis.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-petite.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-upack.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-wwpack.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.pdf Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.mail Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.ppt Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.tnef Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.ea05.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.ea06.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.d64.zip Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe.mbox.base64 Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe.mbox.uu Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe.binhex Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.ole.doc Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.impl.zip Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe.html Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.bin-be.cpio Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.bin-le.cpio Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.newc.cpio Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.odc.cpio Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-yc.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam_IScab_int.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam_IScab_ext.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam_ISmsi_int.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam_ISmsi_ext.exe Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.7z Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam_cache_emax.tgz Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.iso Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clamjol.iso Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-v2.rar Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam-v3.rar Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.exe.bz2 Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/clam.bz2.zip Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/.split/split.clam_IScab_int.exeaa Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/.split/split.clam.isoaa Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/.split/split.clam_IScab_ext.exeaa Win.Trojan.Trojan-476
/Users/avarnell/Desktop/•Download/clamav-0.99.1/test/.split/split.clamjol.isoaa Win.Trojan.Trojan-476
-Al-
On Wed, Mar 16, 2016 at 10:46 PM, Jason Williams wrote:
>
> Hey Al,
>
> I submitted a FP report with one attached. Just put the EICAR string into a txt file and that'll trigger it.
>
> -J
>
> Sent via iPhone
>
>> On Mar 16, 2016, at 22:16, Al Varnell <alvarnell at mac.com> wrote:
>>
>> I don’t know why sanesecurity-porcupine.ndb is causing this, but I can now see that the signatures for Win.Test.EICAR_LDB-1 and Win.Trojan.Trojan-605 are identical, so this is an FP situation which would be reported.
>> <http://clamav-du.securesites.net/cgi-bin/clamgrok?virus=Win.Test.EICAR_LDB-1&search-type=contains&case-sensitivity=No&database=daily&database=main&display=database&display=virus&display=signature&.submit=Submit&.cgifields=database&.cgifields=search-type&.cgifields=case-sensitivity&.cgifields=display>
>>
>> However, I’m not sure where to find a copy of a Win.Test.EICAR_LDB-1 file to submit.
>>
>> -Al-
>>
>>
>>> On Wed, Mar 16, 2016 at 09:44 PM, Jason J. W. Williams wrote:
>>>
>>> Culprit seems to be sanesecurity-porcupine.ndb (
>>> http://sanesecurity.com/usage/signatures/). Moving it out causes
>>> Win.Test.EICAR_NDB-1
>>> FOUND to be found, moving it back in triggers the Win.Trojan.Trojan-605 FP.
>>> Since the Win.Trojan.Trojan sig isn't in the DB I'm not sure why that is.
>>>
>>> -J
>>>
>>>> On Wed, Mar 16, 2016 at 9:38 PM, Al Varnell <alvarnell at mac.com> wrote:
>>>>
>>>> Disregard, I found it here after they got the new main.cvd:
>>>> <
>>>> http://clamav-du.securesites.net/cgi-bin/clamgrok?virus=Win.Trojan.Trojan-605&search-type=contains&case-sensitivity=No&database=daily&database=main&display=database&display=virus&display=signature&.submit=Submit&.cgifields=database&.cgifields=search-type&.cgifields=case-sensitivity&.cgifields=display
>>>>>
>>>>
>>>> I’ll see what I get once my main.cvd finishes.
>>>>
>>>> -Al-
>>>>
>>>>> On Wed, Mar 16, 2016 at 09:32 PM, Al Varnell wrote:
>>>>>
>>>>> I’m still looking, but so far I can’t find any Win.Trojan.Trojan
>>>> signatures in the ClamAV Official database or listed in clamav-virusdb
>>>> e-mail list.
>>>>>
>>>>> Nor can I confirm your results using my own EICAR.
>>>>>
>>>>> Are you using any Unofficial signatures from a different source?
>>>>>
>>>>> -Al-
>>>>>
>>>>>> On Wed, Mar 16, 2016 at 09:06 PM, Jason J. W. Williams wrote:
>>>>>>
>>>>>> Pulled down 21466 (and force restarted clamd) but it's still classifying
>>>>>> EICAR as Win.Trojan.Trojan:
>>>>>>
>>>>>> https://gist.github.com/williamsjj/b8104402e80f44475df5
>>>>>>
>>>>>> Databases are up to date now:
>>>>>> main.cvd is up to date (version: 57, sigs: 4218790, f-level: 60,
>>>> builder:
>>>>>> amishhammer)
>>>>>> Empty script daily-21465.cdiff, need to download entire database
>>>>>> Downloading daily.cvd [100%]
>>>>>> daily.cvd updated (version: 21466, sigs: 83889, f-level: 63, builder:
>>>>>> amishhammer)
>>>>>> Empty script bytecode-275.cdiff, need to download entire database
>>>>>> Downloading bytecode.cvd [100%]
>>>>>> bytecode.cvd updated (version: 275, sigs: 45, f-level: 63, builder:
>>>>>> amishhammer)
>>>>>> Database updated (4302724 signatures) from db.local.clamav.net (IP:
>>>>>> 193.1.193.64)
>>>>>>
>>>>>>
>>>>>>
>>>>>>> On Wed, Mar 16, 2016 at 9:00 PM, Al Varnell <alvarnell at mac.com> wrote:
>>>>>>>
>>>>>>> Those are normal messages for an update of this kind. The 21465.cdiff
>>>> was
>>>>>>> purposely blank in order to force you to download the entire daily.cvd.
>>>>>>> Give it plenty of time as the main.cvd is 109MB.
>>>>>>>
>>>>>>> Technical details: <
>>>>>>>
>>>> http://blog.clamav.net/2016/03/clamav-signature-interface-maintenance.html
>>>>>>>>
>>>>>>>
>>>>>>> -Al-
>>>>>>>
>>>>>>>> On Wed, Mar 16, 2016 at 08:56 PM, Jason J. W. Williams wrote:
>>>>>>>>
>>>>>>>> Thanks. Hopefully it'll sync up soon. I'm getting weird download
>>>> errors
>>>>>>> out
>>>>>>>> of freshclam:
>>>>>>>>
>>>>>>>> WARNING: getfile: Error while reading database from
>>>> db.local.clamav.net
>>>>>>>> (IP: 200.236.31.1): Operation now in progress
>>>>>>>> WARNING: getpatch: Can't download daily-21465.cdiff from
>>>>>>> db.local.clamav.net
>>>>>>>> nonblock_recv: recv timing out (30 secs)
>>>>>>>> WARNING: getfile: Error while reading database from
>>>> db.local.clamav.net
>>>>>>>> (IP: 194.186.47.19): Operation now in progress
>>>>>>>> WARNING: getpatch: Can't download daily-21465.cdiff from
>>>>>>> db.local.clamav.net
>>>>>>>> Empty script daily-21465.cdiff, need to download entire database
>>>>>>>>
>>>>>>>> On Wed, Mar 16, 2016 at 8:54 PM, Al Varnell <alvarnell at mac.com>
>>>> wrote:
>>>>>>>>
>>>>>>>>> The new database was just made available, so I recommend you hold off
>>>>>>>>> until you have the new mail.cvd v57 and daily.cvd v21466 before
>>>> getting
>>>>>>> too
>>>>>>>>> excited about this.
>>>>>>>>>
>>>>>>>>> -Al-
>>>>>>>>>
>>>>>>>>>> On Wed, Mar 16, 2016 at 08:49 PM, Jason J. W. Williams wrote:
>>>>>>>>>>
>>>>>>>>>> As of the latest daily update, running ClamAV against the EICAR test
>>>>>>>>> string
>>>>>>>>>> reports Win.Trojan.Trojan-605 instead of Eicar-Test-Signature.
>>>>>>>>>>
>>>>>>>>>> -J
>>>>
>>>>
>>>> _______________________________________________
>>>> Help us build a comprehensive ClamAV guide:
>>>> https://github.com/vrtadmin/clamav-faq
>>>>
>>>> http://www.clamav.net/contact.html#ml
>>>>
>>> _______________________________________________
>>> Help us build a comprehensive ClamAV guide:
>>> https://github.com/vrtadmin/clamav-faq
>>>
>>> http://www.clamav.net/contact.html#ml
>>
>> -Al-
>> --
>> Al Varnell
>> Mountain View, CA
>>
>>
>>
>>
> _______________________________________________
> Help us build a comprehensive ClamAV guide:
> https://github.com/vrtadmin/clamav-faq
>
> http://www.clamav.net/contact.html#ml
-Al-
--
Al Varnell
Mountain View, CA
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