Re: EICAR signature not working

Eric Tykwinski via clamav-users <[email protected]>
Newsgroups gmane.comp.security.virus.clamav.user
Message-ID <[email protected]>
David,

To find the Signature:
$ sigtool --find-sigs Eicar-Signature | sigtool --decode-sigs

I'm guessing the typo on your file is on purpose here.

-----Original Message-----
From: clamav-users <[email protected]> On Behalf Of David Morton via clamav-users
Sent: Monday, February 17, 2025 2:43 PM
To: ClamAV users ML <[email protected]>
Cc: [email protected]
Subject: Re: [clamav-users] EICAR signature not working

/ # cat eicar.txt
X5O!P%@AP[4\PZX54(P^)7CC)7}-STANDARD-ANTIVIRUS-TEST-FILE!+H*
/ # clamdscan eicar.txt
//eicar.txt: OK

----------- SCAN SUMMARY -----------
Infected files: 0
Time: 0.007 sec (0 m 0 s)
Start Date: 2025:02:17 18:50:53
End Date:   2025:02:17 18:50:53




Database information
--------------------
Database directory: /var/lib/clamav
bytecode.cvd: version 335, sigs: 86, built on Tue Feb 27 15:37:24 2024
daily.cvd: version 27552, sigs: 2072975, built on Mon Feb 17 09:47:21
2025
main.cvd: version 62, sigs: 6647427, built on Thu Sep 16 12:32:42 2021 Total number of signatures: 8720488

Platform information
--------------------
uname: Linux 6.8.0-53-generic #55-Ubuntu SMP PREEMPT_DYNAMIC Fri Jan 17
15:37:52 UTC 2025 x86_64
OS: Linux, ARCH: x86_64, CPU: x86_64
zlib version: 1.3.1 (1.3.1), compile flags: a9 platform id: 0x0a21d4d408000000000e0200

Build information
-----------------




On 2025-02-17 13:38, David Morton via clamav-users wrote:
> even when i put the string in a file by itself.
> 
>> On Feb 17, 2025, at 1:31 PM, Matus UHLAR - fantomas via clamav-users 
>> <[email protected]> wrote:
>> 
>> On 17.02.25 19:24, David Morton via clamav-users wrote:
>>> I have downloaded the test signature to three different systems, 
>>> verified to be up to date, but they all fail to find the EICAR test 
>>> signature.  Is anyone else seeing this?
>> 
>> they fail to find it where?
>> according to:
>> 
>> https://en.wikipedia.org/wiki/EICAR_test_file
>> 
>>  antivirus detects the test file only if it starts with the 68-byte 
>> test   string and is not more than 128 bytes long.
>> 
>> --
>> Matus UHLAR - fantomas, [email protected] ; http://www.fantomas.sk/
>> Warning: I wish NOT to receive e-mail advertising to this address.
>> Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
>> The 3 biggets disasters: Hiroshima 45, Tschernobyl 86, Windows 95 
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