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Message-ID: <3F4DD9F2.6060400@dylanic.de>
From: security at dylanic.de (Michael Renzmann)
Subject: Backdoor, Virus, Dialer? More information.
Hi all.
Valdis.Kletnieks@...edu wrote:
>>Recently I received some mails in english language. The writer (who
>>pretends being security@...rosoft.com, but the header says "Sender:
>>admin@...a.gov.ru") generously sends a patch along with his mail which
>>should be applied in order to fix a security bug... ha ha.
> Most likely a known virus, W32/Dumaru-A. If what you have there *doesnt*
> match that one, give us another buzz....
As Vladis pointed out, the mail seems to be result of a
W32/Dumaru@...variant. Another fd-reader pointed to W32/Dumaru.B@mm as well.
Symantec currently lists two variants of W32/Dumaru:
1. W32/Dumaru@mm, having an attachment with 9216 bytes
2. W32/Dumaru.b@mm, having an attachment with 34304 bytes
However, the mails I received (at least five of them) have an attachment
with 9276 byte. Either Symantec has a typo at their site, or this could
be a new variant.
As there were many people asking me to send them the binary, I decided
to put the file and a copy of the mail on my webserver. To be found at
http://www.otaku42.de/download/dumaru/index.html
Bye, Mike
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