New virus intercepted
Denis.Beauchemin at USHERBROOKE.CA
Thu Aug 18 16:03:40 IST 2005
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Denis Beauchemin wrote:
> Denis Beauchemin wrote:
>> Hello All,
>> Last night we received many hundreds EXE files infected by
>> Backdoor.Win32.Dumador.dk, according to Kaspersky. No other virus
>> scanner I have detected anything suspicious: McAfee, Bitdefender and
>> ClamAV all said there was nothing wrong in the files.
>> All files seem to be the same length (26112 bytes) and came from many
>> different IPs. They all have strange names (looks like random
>> characters) ending in .exe.
>> I'm glad I don't let EXE/BAT/PIF/... files through!
> Overall we blocked 512 EXE on one of our external servers yesterday
> and no more than 3 came from the same IP. On the other external
> server, we blocked 525 EXE and no more than 4 came from the same IP...
> Funny thing: we received them from midnight to 1:35 and then nothing
> until 17:36 (5:36PM). It stopped at about 19:36 (7:36PM) to not be
> seen again...
> Still nothing detected by McAfee, Bitdefender or ClamAV...
The new DAT file (4562) detects them as BackDoor-CCT trojan.
°v° Denis Beauchemin, analyste
/(_)\ Université de Sherbrooke, S.T.I.
^ ^ T: 819.821.8000x2252 F: 819.821.8045
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