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removing malware

997 Views 18 Replies Latest reply: Mar 19, 2013 10:03 PM by Allan Eckert RSS
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brotharay Calculating status...
Currently Being Moderated
Dec 13, 2012 2:36 PM

Is there a free software program available to scan for malicious bots on my compter?

Also, anyone ever get a warning from Comcast Xfinity Constant Guard that a bot has been detected?

MacBook Pro, iOS 6.0.1
  • Trane Francks Level 2 Level 2 (200 points)
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    Dec 16, 2012 2:01 AM (in response to brotharay)

    The best free antivirus app for the Mac is ClamXav, which can be downloaded here:

     

    http://www.clamxav.com/download.php

  • MadMacs0 Level 4 Level 4 (3,320 points)
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    Dec 16, 2012 12:14 PM (in response to brotharay)

    brotharay wrote:

     

    anyone ever get a warning from Comcast Xfinity Constant Guard that a bot has been detected?

    Yes and they were wrong. They identified it as a Windows only bot when there had been no PC's using my network. I did find from checking my logs that one of my background apps had gone crazy and was probably sending inquiries out unsuccessfully. Reinstalling the app solved that and I suspect that was what they were seeing.

  • 123pest Level 1 Level 1 (35 points)
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    Dec 16, 2012 12:14 PM (in response to brotharay)

    If your really screwed reinstall osx but i would recommend kaspersky anti virus mac

  • MadMacs0 Level 4 Level 4 (3,320 points)
    Currently Being Moderated
    Dec 16, 2012 1:03 PM (in response to 123pest)

    123pest wrote:

     

    i would recommend kaspersky anti virus mac

    Interesting. It seems to have a reputations for causing Kernal Panics and various other issues by many others in this forum.

     

    In a comment to Thomas Reed's Mac anti-virus detection rates he stated "It did horribly."

  • 123pest Level 1 Level 1 (35 points)
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    Dec 16, 2012 1:20 PM (in response to MadMacs0)

    ???

  • Allan Eckert Level 8 Level 8 (39,335 points)
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    Dec 16, 2012 1:23 PM (in response to 123pest)

    Don't be so shocked! I

     

    t is true Kaspersky is being rated as low as Norton on the Mac.

     

    Allan

  • Allan Eckert Level 8 Level 8 (39,335 points)
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    Dec 16, 2012 1:26 PM (in response to brotharay)

    Xfinity tried to get me to their crapware. I didn't and I glad.

     

    My suggestion iis to uninstall it ASAP.

  • Allan Eckert Level 8 Level 8 (39,335 points)
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    Dec 16, 2012 1:47 PM (in response to brotharay)

    Xfinity Constant Guard. It is worthless.

     

    The only thing is good for is causing problems.

     

    Allan

  • MadMacs0 Level 4 Level 4 (3,320 points)
    Currently Being Moderated
    Dec 16, 2012 2:12 PM (in response to Allan Eckert)

    Allan Eckert wrote:

     

    Xfinity Constant Guard. It is worthless.

    IIRC, Constant Guard is the Xfinity (Comcast) name for their approach to network security which includes software on their end to identify bot-like behaviour. As I said before, it's not very good either, at least from and OS X standpoint.

     

    They do recommend installing a free A-V package they provide and last I checked it was Norton and we all know what that means.

  • Trane Francks Level 2 Level 2 (200 points)
    Currently Being Moderated
    Dec 16, 2012 2:28 PM (in response to MadMacs0)

    MadMacs0 wrote:

     

    123pest wrote:

     

    i would recommend kaspersky anti virus mac

    Interesting. It seems to have a reputations for causing Kernal Panics and various other issues by many others in this forum.

     

    In a comment to Thomas Reed's Mac anti-virus detection rates he stated "It did horribly."

     

    That's a disappointing result. The results for both ClamXav and Kaspersky came as surprises to me. I expected ClamXav to do worse because the clamav engine itself and definitions have historically been terrible for updating for Mac-oriented viruses/malware. As for Kasperskey, I confess to be running it right now on my MacBook2,1/Snow Leopard. Not a hiccough yet in ~6 months.

     

    I will note that I ran ClamXav for years, but bailed when the on-access scanner crashed or was using 100% CPU as a runaway process. Mark was unable to fix the problem for several months, at which time I decided to go with commercial software.

     

    Let's hope that Kaspersky's detection rates improve.

  • Allan Eckert Level 8 Level 8 (39,335 points)
    Currently Being Moderated
    Dec 16, 2012 2:33 PM (in response to MadMacs0)

    When one of their techs called me with the offer of that crapware and I told him what he could do with it, he replied back to me that they would cut me off if I didn't install it. To that I replied, Please connect me with your manager so that we can discuss your threat to me. He became very apologetic then but I refused to say any more to him. Eventually I was connected to his manager. I reported his threat and said if I hear one more word on this subject you will not be cutting me off, I will be switching to someone else. I have never heard one more word on the subject yet.

     

    Allan

  • MadMacs0 Level 4 Level 4 (3,320 points)
    Currently Being Moderated
    Dec 16, 2012 2:49 PM (in response to Trane Francks)

    Trane Francks wrote:

     

    The results for both ClamXav and Kaspersky came as surprises to me. I expected ClamXav to do worse because the clamav engine itself and definitions have historically been terrible for updating for Mac-oriented viruses/malware....

     

    I will note that I ran ClamXav for years, but bailed when the on-access scanner crashed or was using 100% CPU as a runaway process. Mark was unable to fix the problem for several months, at which time I decided to go with commercial software.

    Note that in Thomas' update ClamXav now catches most, if not all of his samples and a couple of other A-V vendors have contacted him expressing a desire to improve on their results.  He plans a follow-on test, adding some additional products that were over-looked before and re-testing up-to-date versions of the ones previously tested in the not too distant future.

     

    FYI, ClamXav Sentry seems to finally be stable again with the latest version. Seems there were a number of issues and he has a totally redesigned Sentry in early testing.

  • Trane Francks Level 2 Level 2 (200 points)
    Currently Being Moderated
    Dec 16, 2012 3:38 PM (in response to MadMacs0)

    MadMacs0 wrote:

     

    Note that in Thomas' update ClamXav now catches most, if not all of his samples and a couple of other A-V vendors have contacted him expressing a desire to improve on their results.  He plans a follow-on test, adding some additional products that were over-looked before and re-testing up-to-date versions of the ones previously tested in the not too distant future.

     

    FYI, ClamXav Sentry seems to finally be stable again with the latest version. Seems there were a number of issues and he has a totally redesigned Sentry in early testing.

     

    I'll be following this, as I go on-site to various client offices to maintain Windows servers/networks. I need reliable scanning of USB storage to ensure that I catch malware trying to jump from machine to machine on the network. I use the MacBook and its A/V software to detect these nasty bits and give me a heads up re: problems prior to the user even noticing.

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