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Thread: Steam Malware?

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    Senior Member watercooled's Avatar
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    Steam Malware?

    I've just checked the protection status page of Kaspersky and found this, is this normal i.e. a false positive? Steam still works, even though it says quarantined on the list. What should I do?
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    Re: Steam Malware?

    More than likely a false positive, sometimes happens when steam has an update and the virus checker hasn't been updated to take it into account.

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    Re: Steam Malware?

    Def. false positive imo. Although, I supose something could have injected itself into steam.exe.

    Have a quick check on Steam forums to see if anyone else has picked this up. I'd expect an update for Kaspersky if this is a false positive.

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    Re: Steam Malware?

    Well, that detection is dated at 19 Feb. I ran a full scan today and nothing was detected. I've had no warnings since, in fact I wouldn't have even noticed that if I didn't check the 'All Detected Malware' bit. Puzzled why it says quarantined though, I didn't do it and I can still run it?
    Thanks guys
    Last edited by watercooled; 27-02-2009 at 02:12 PM.

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    Re: Steam Malware?

    Quote Originally Posted by Singh400 View Post
    Although, I supose something could have injected itself into steam.exe.
    That would be my guess too if it wasn't a false positive
    But having the scanner on his system in the first place would have prevented that wouldn't it?

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    Re: Steam Malware?

    Quote Originally Posted by moogle View Post
    That would be my guess too if it wasn't a false positive
    But having the scanner on his system in the first place would have prevented that wouldn't it?
    It should do yes. As long as the AV is setup correctly.

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    Re: Steam Malware?

    How can I be sure it isn't malware? And where could it have come from? I found this page https://support.steampowered.com/kb_...4361-MVDP-3638 but it doesn't say anything about false positives with the Steam.exe

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    Re: Steam Malware?

    The fact it didn't find it when you scanned today kinda confirms it was a false positive doesn't it? Would assume your AV has been updated since it "detected" the problem.

    Is it still showing as quarantined? If so i'd unquarentine it and rerun just to make sure, if it still finds nothing then i wouldn't worry about it.

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    Re: Steam Malware?

    I've asked on the Steam forums too. Someone recommended to upload it to virustotal.com and it was clean. I also restored the quarantined file to the desktop and uploaded that, it was the exact same file (same checksums)! Can't think why there was a copy in quarantine plus one in the normal location. I scanned it again with Kaspersky and it reported it was clean. Also, if you try to restore an infected file from quarantine, it grabs it back straight away (like with the Eicar test virus) but with this one it restored it and even removed it from the detected list. Maybe a program update added it to a white list or something?

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    Re: Steam Malware?

    Hi, I work for Kaspersky UK and I can confirm this was a false positive. As you can see by the wording "generic" in the detection it was being picked up by the heuristics rather than the database updates. This was resolved and hence it is not detected anymore.

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    Re: Steam Malware?

    Thanks Lisa from Kaspersky UK
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    When I say go, both walk in the opposite direction for 10 paces, draw handbags, then bitch-slap each other!

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    Re: Steam Malware?

    Bit like Nod32 - anything that isn't actually Windows (ironically) or Internet Explorer is classified riskware.
    Moo.

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    Re: Steam Malware?

    I actually heard on Security Now podcast that some AV software (can't remember which, sorry) deleted crucial OS files and caused the system to fail to boot lol.
    Thanks for the help Lisa, and welcome to Hexus!

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    Re: Steam Malware?

    Quote Originally Posted by LisaC View Post
    Hi, I work for Kaspersky UK and I can confirm this was a false positive. As you can see by the wording "generic" in the detection it was being picked up by the heuristics rather than the database updates. This was resolved and hence it is not detected anymore.
    Nice one. Cheers for letting us know.

    PS, Good user support

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    Re: Steam Malware?

    Quote Originally Posted by Singh400 View Post
    Nice one. Cheers for letting us know.

    PS, Good user support
    Agreed, I was recently in contact with support for another reason and I received very helpful support. Certainly better then the 'Please contact x department' ping-pong assistance offered by other companies.

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    Re: Steam Malware?

    No problem I will pop in from time to time to see if anyone needs any help.

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