Vulnerability Development mailing list archives

Grokster and possible trojan (part 2)


From: "scott [gts]" <scott () graphictype com>
Date: Thu, 27 Dec 2001 16:01:54 -0500

 
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This is the email from jason () gonsalves ws detailing
what he got when he tried to call the company and
talk to them about the "click till u win" program.

- -----------------------------------------------
From: jason () gonsalves ws
To: scott () graphictype com
Date: Thu 12/27/2001 3:36 PM

Grokster.com is registered to:
Certified Corporate Services
7891 West Flagler Street 258
Miami, Florida 33144, US
1-310-388-5666

The number is not in service.  I called information (411) and they have no
listings in the area for this company, grokster, ltd or anything similar.
Grokster.com is hosted by tera-byte.com, a company out of Edmonton, Alberta,
Canada.  It looks as though the Florida address is just to have a US mailing
address.  Good idea considering I wouldn't have touched this crap software
if I know they were based out of the West Indies.

There are three confirmed incidents where upon installed the grokster
client, third party spyware software was installed.  Regardless if you
choose to install the software or not, they are still installing it.  I
don't know how the software chooses what to install because on both of my
tests, I selected NOT to have anything aside from the client installed.  On
each occasion, a separate piece of software was installed.  Upon restarted
my computer, my antivirus software alerted me to a modified explorer.exe
file located on my c drive.  After further inspection, this is what I found.
PAY ATTENTION!!!

Grokster creates a hidden folder in your c:\windows, c:\winnt directory
called "explorer" and places a 31K file called explorer.exe in there.  They
think they are fucking slick... oh oh maybe they won't notice.  How about
the registry key they add under "Dlder"  This gets added under "run" and
points to the false explorer.exe file.

When I downloaded their client, I wanted to download music.  I did not ask
that all these shady little changes be made to my computer.  I am
recommending that anyone using this software, remove it along with the files
I mentioned in this e-mail.

Do not delete explorer.exe from your windows directory, just the one in the
hidden "explorer" folder.  There is also a file called Dlder.exe that is
located in the windows directory that can be removed. The program this file
is associated with is "ClickTillUWin" and I specifically requested this crap
not be installed.

I don't know about you but I'm not going to be using anything from this
company anymore.  Bastards.

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