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Popular software CCleaner infected with backdoor

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Sep 18, 2017.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    A bit of a warning, if you have download CCleaner recently, their installer was infected with malicious software. With millions of downloads last month the end-users may have been infected....

    Popular software CCleaner infected with backdoor
     
  2. StewieTech

    StewieTech Chuck Norris

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    You´re never really safe are you? Such a cool little program, what a shame... :(
     
    Keitosha likes this.
  3. WhiteLightning

    WhiteLightning Don Illuminati Staff Member

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    glad i use the portable one
     
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  4. AMDNvidia

    AMDNvidia Member

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    Thank you for the warning
     

  5. allesclar

    allesclar Ancient Guru

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    Jesus, makes you wonder doesn't it. Inside job?
     
  6. bjoswald

    bjoswald Member Guru

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    One less thing to install after Windows!
     
  7. fry178

    fry178 Master Guru

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    not an issue for me or machines i work on.
    stopped using newer releases after 5.18.5607, when they went with "premium" crap.

    even that i dont believe in "dont fix a working system", its not always the best to update everything as soon as possible.
     
  8. Only Intruder

    Only Intruder Master Guru

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    So we need a crap cleaner for CCleaner now :')
     
  9. ubercake

    ubercake Master Guru

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    It should be noted that all communications from piriform indicate it affects only 32-bit Windows systems.
     
  10. CrazY_Milojko

    CrazY_Milojko Ancient Guru

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    Thanks for the heads up HH!
     

  11. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    Actually, I think what they meant is this, it involves the 32-bit installer, which most normal people download download and which installs just fine on 64-bit OSes.
     
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  12. Jumbotron

    Jumbotron Member

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    I use it too. In fact, I always use portable editions over classic setup ones (whenever that option is present, of course).
     
  13. Moto_Life

    Moto_Life Member

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    Damn it. I was running that version of CCleaner. Scanning with Malwarebytes as I type this and I see it detected the trojan :( I'll wait for the scan to finish and hope it takes care of it. Cant remember the last time I got infected. Will really suck if i have to reinstall windows. I had already scanned with windows defender both a full scan and the offline one and it didn't see it...
     
    Last edited: Sep 18, 2017
  14. MerolaC

    MerolaC Ancient Guru

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    Just use the Portable build.
    Always used it myself.
     
  15. wavetrex

    wavetrex Master Guru

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    Version handled by Chocolatey is 5.34.6207 and just ran a malwarebytes scan - 0 infections detected.

    I seriously recommend this to handle your free software installations, not only that it does them automatically ( like Linux package managers ), but also is another layer of safety ( every update on all their software is thoroughly scanned, so chance of such mishaps is very slim )
    https://chocolatey.org/

    Started using it about 5 months back and I would never go back to manual installs, that feels so archaic !
    [​IMG]
     

  16. Moto_Life

    Moto_Life Member

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    [​IMG]

    It did remove it. Think I'm all good now?
     
  17. Robbo9999

    Robbo9999 Maha Guru

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    I supposedly had the affected version of CCleaner installed, but regular Malwarebytes & Avira scans that I do have never picked up any infection. Either way I downloaded the new version of CCleaner & I'm running a full deep scan again with Malwarebytes - I'll update this post if it finds any malware - I doubt it as I did a scan a few days ago. Mind you I always delete the setup program file after installation & I see the user above me just detected the trojan in the setup file, maybe that's why my PC has been coming up clean recently after scans. EDIT: just finished scans - yep, no detections.
     
    Last edited: Sep 18, 2017
  18. Raplapla

    Raplapla Member

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    I don’t miss Windows.
     
  19. pyro226

    pyro226 New Member

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    Malware bytes didn't detect a problem with a system. It found a problem with the installer. You could try to boot into safe mode (F8) and scan again, but most likely, you're fine.
     
  20. CrazY_Milojko

    CrazY_Milojko Ancient Guru

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    In your case MBAM found infected installer. Suggest you to scan system with AdwCleaner and HitmanPro, maybe even Combofix if you have Win7 or 8 (doesn't work on Win8.1 or 10). If they don't find anything you're safe.
     
    Aura89 and airbud7 like this.

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