Windows 10: CCleaner: A Vast Number of Machines at Risk

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  1.    18 Sep 2017 #31

    Cisco Talos thinks this may be an inside job. Since Avast recently merged with Piriform, one might speculate that the Czech Anti-Virus vendor might have rogue employee in the house.

    "It is also possible that an insider with access to either the development or build environments within the organization intentionally included the malicious code or could have had an account (or similar) compromised which allowed an attacker to include the code."
      My ComputerSystem Spec


  2. Posts : 306
    Win 10 Pro x64 17046 Skippy
       18 Sep 2017 #32

    Removed CC from start up and auto update until the dust settles and this is fully resolved. Really considered an uninstall and still might do that.
      My ComputersSystem Spec


  3. Posts : 632
    Win 10 Pro x64 1607 (Build 14393.953)
       18 Sep 2017 #33

    Started Operation Clean Sweep! Removing all Piriform products atm...
      My ComputerSystem Spec

  4.    18 Sep 2017 #34

    Fisher Mann said: View Post
    Removed CC from start up and auto update until the dust settles and this is fully resolved. Really considered an uninstall and still might do that.
    M4v3r1ck said: View Post
    Started Operation Clean Sweep! Removing all Piriform products atm...
    I think it's wise to remove ccleaner for now until the next update addresses this issue specifically, but I don't think its time to call time on ccleaner as a whole just yet.

    I have removed it from my machine just to be safe as well.
      My ComputersSystem Spec

  5.    18 Sep 2017 #35

    swarfega said: View Post
    I think it's wise to remove ccleaner for now until the next update addresses this issue specifically, but I don't think its time to call time on ccleaner as a whole just yet.

    I have removed it from my machine just to be safe as well.
    Think some of you folks are getting carried away on this......Never removed mine, and I have no issues, no threats, nothing....everything checks out just fine.
      My ComputersSystem Spec

  6.    18 Sep 2017 #36

    Probably, but best be safe, specially if you rely on your computer for a living.
      My ComputersSystem Spec


  7. Posts : 754
    Windows 10 1703 Pro 64
       18 Sep 2017 #37

    Frozenoem1 said: View Post
    Seems even Ccleaner 64-bit may have had Trojan.Nyetya in the pile.

    Malwarebytes did find and quarantine, doing scans as I type.

    It's a good day for paranoia, K9 attempted to eat iPhone todayCCleaner: A Vast Number of Machines at Risk.
    There is only one installer for CCleaner and has both 32 and 64 bit .exe files and that is why MB detects the Trojan. When installed on a 64bit OS you get the 64bit exe in the shortcut so the 32bit is not run as the trojan was tied into the 32bit exe file.

    All my systems are 64bit so trojan was not activated and all is good.

    Jim
      My ComputerSystem Spec


  8. Posts : 632
    Win 10 Pro x64 1607 (Build 14393.953)
       18 Sep 2017 #38

    IMHO: When maintenance software you have to trust for 1000% gets compromised - by what- or whomever / in- or external - my zero-tolerance measurements kick in: DEFCON-1

    = removing all!

    EDIT: of course awaiting for further news and/or instructions.

    Cheers
      My ComputerSystem Spec

  9.   My ComputerSystem Spec


  10. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       18 Sep 2017 #40

    This hacking incident is yet another good reason why I don't use 3rd party maintenance software.

    Open and Use Disk Cleanup in Windows 10 Windows 10 Performance Maintenance Tutorials
      My ComputersSystem Spec


 
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