Re: Protected folders

From: Roger Fink (fink_at_*****.net)
Date: 08/30/05

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    Date: Tue, 30 Aug 2005 00:13:41 -0400
    
    

    David H. Lipman wrote:
    > From: "Roger Fink" <fink@*****.net>
    >
    >
    >>
    >> David - you're here too - what a shocker!
    >>
    >> OK, I'm probably not going to describe this 100% accurately, but
    >> here's my
    >> best shot. I recently was infected with VBS:REDLOF. The infected
    >> file that
    >> was picked up on the virus scan was unfortunately sysclean.exezz,
    >> which was
    >> created when sysclean.exe was launched earlier, I believe in
    >> response to
    >> something else. The file had been on the hard drive for awhile . The
    >> several
    >> other files that normally are created in the same folder when
    >> SysClean is
    >> launched all had zz added to their extensions, such as .logzz and
    >> .dllzz,
    >> although they didn't scan "positive". The pattern file to all
    >> appearances
    >> remained unchanged.
    >>
    >> What prompted the question is that I wanted to save myself a 3.5mb
    >> download
    >> by keeping the file on the computer. (I realize this part of the
    >> program
    >> does get modified from time to time and would need to check that).
    >> It's
    >> downloaded as an executable but I've currently got it stored as a
    >> zip, if
    >> that makes any difference. And yes, I agree in advance of your
    >> suggesting it
    >> that it's not the end of the world to download it only on an
    >> as-needed
    >> basis.
    >>
    >> I've done my reading and my housekeeping, and I think my system is
    >> free and
    >> clear at the moment.
    >>
    >> BTW, Trend Micro describes VBS:REDLOF and its variants as highly
    >> destructive. It's more than an annoyance.
    >>
    >
    > It shouldn't be a surprise you'd find me here. I monitor many virus
    > and security related News Groups. I'm out to learn as much as I can
    > and assist the affected/infected as much a I can.
    >
    > Well for one Avast falsely declares SYSCLEAN.COM [ Sysclean is a
    > Trend Micro utility ] as having the VBS/Redlof. Do you have Avast ?
    > This is an old problem and one would think this False Positive
    > declaration would have been corrected by now. SYSCLEAN.COM is a
    > self-extracting executable and when it is executed the actual AV
    > scanner engine is extracted.
    >
    > Getting back to your original question, a virus or Trojan can be
    > written to change the attributes of a file or folder such that it
    > goes from Read-Only to Read-Write..

    Actually I was just kidding - I gather from your posts in the 98 group that
    security is a special area of interest and expertise.
    Yes I use Avast - but why is it a false positive if I can see that the file
    extensions in the T-M SysClean folder, including the sysclean executable
    itself, have beeen changed? Note that just to make sure that the same
    problem would not recur, after the Avast scanner removed sysclean.exezz I
    deleted the entire folder, downloaded new components, and ran SysClean again
    from a new temporary folder. All the file extensions were normal.


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