Dyfuca Removal: Remove Dyfuca Forever

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Threat indicator: HIGH

Threat's profile

Name of the threat:

Command or file name:

Threat type:

Affected OS:

Dyfuca

Trojan-Downloader.Win32.Dyfuca.bt.exe

Downloader

Win32 (Windows 9x, Windows XP, Windows Vista, Windows Seven)


Dyfuca keeps its addresses and file names in the software's body. You may note a great traffic expand and apparition of many new programs not runed by you. Malware Dyfuca behave in a analogical way and copy modes from the mainstream applications industry. Unallowed Dyfuca are used to download potentially needless applications without the consumer's consent. This means that, in the majority of cases, there will not be any manifest alarm signs that they are running on a computer. On a positive note, malicious sites linked to Dyfuca often have a bound life span before being closed down or cleaned up.


Dyfuca intrusion method

Dyfuca copies its file(s) to your hard disk. Its typical file name is Trojan-Downloader.Win32.Dyfuca.bt.exe. Then it creates new startup key with name Dyfuca and value Trojan-Downloader.Win32.Dyfuca.bt.exe. You can also find it in your processes list with name Trojan-Downloader.Win32.Dyfuca.bt.exe or Dyfuca.

If you have further questions about Dyfuca, please fill in the form above and we'll contact you shortly.

If you are not sure what to delete, use our award winning program - Dyfuca Removal Tool will find and fully remove Dyfuca and all problems associated with Dyfuca virus.

Fast, easy, and handy, Dyfuca Removal Tool protects your computer against Dyfuca that does harm to your computer and breaks your privacy. Dyfuca Removal Tool scans your hard disks and registry and destroys any manifestation of Dyfuca. Standard anti-virus software can do nothing against malicious programs like Dyfuca. Remove Dyfuca straight away!

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How to fix Dyfuca?

This problem can be solved manually by deleting all registry keys and files connected with Dyfuca, removing it from starup list and unregistering all corresponding DLLs. Additionally missing DLL's should be restored from distribution in case they are corrupted by Dyfuca.

To get rid of Dyfuca, you should:

1. Kill the following processes and delete the appropriate files:

no information

Warning: you should delete only those files which checksums are listed as malicious. There may be valid files with the same names in your system. We recommend you to use

  • Key: CLSID\{8F4E5661-F99E-4B3E-8D85-0EA71C0748E4}
  • Key: CLSID\{cea206e8-8057-4a04-ace9-ff0d69a92297}
  • Key: CLSID\{D8E25C53-9508-4f5c-9249-D98D438891D5}
  • Key: CLSID\{F7F808F0-6F7D-442C-93E3-4A4827C2E4C8}
  • Key: DyFuCA_BH.BHObj
  • Key: dyfuca_bh.sinkobj
  • Key: Interface\{1C01D150-91A4-4DE0-9BF8-A35D1BDF1001}
  • Key: Interface\{AA4939C3-DECA-4A48-A454-97CD587C0EF5}
  • Key: Interface\{EEE4A2E5-9F56-432F-A6ED-F6F625B551E0}
  • Key: TYPELIB\{00211813-6223-4c6a-be8d-4d2676cd1361}
  • Key: TypeLib\{0BE10B0D-B4DB-4693-9B1F-9AEAD54D17DC}
  • Key: TypeLib\{40B1D454-9CA4-43CC-86AA-CB175EAC52FB}
  • Key: software\avenue media
    Value: @
  • Key: software\policies\avenue media
    Value: @
  • Key: Software\FCI
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{00000010-6F7D-442C-93E3-4A4827C2E4C8}
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8F4E5661-F99E-4B3E-8D85-0EA71C0748E4}
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D8E25C53-9508-4f5c-9249-D98D438891D5}
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F7F808F0-6F7D-442C-93E3-4A4827C2E4C8}
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Internet Optimizer
  • Key: software\microsoft\windows\currentversion\run\safesurfingupdate
    Value: @
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DyFuCA
  • Key: Software\Microsoft\Windows\CurrentVersion\Uninstall\Kapabout
    Value: Comment
  • Key: software\safesurfing\update
    Value: @
  • Key: CLSID\{CC1543F0-013B-4806-9C18-23816853BD9A}
  • Key: CLSID\{F9374DE1-E63C-4483-90F8-74F08041834F}
  • Key: DyFuCA_BH.BHObj.1
  • Key: dyfuca_bh.sinkobj.1
  • Key: Interface\{A217C6CE-6581-44F9-A78E-37943A1284B9}
  • Key: Interface\{F4965A2C-CD0A-49EA-AC03-794DE5041921}
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F9374DE1-E63C-4483-90F8-74F08041834F}
  • Key: software\microsoft\windows\currentversion\policies\ameopt
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WSEM Update
  • Key: SSIEHelper.DocEventHandler
  • Key: SSIEHelper.DocEventHandler.1
  • Key: SSIEHelper.SSIEHelperObj
  • Key: SSIEHelper.SSIEHelperObj.1
  • Key: TypeLib\{82A96266-90F7-4178-8037-0B209C4AA5C6}
  • Key: DyFuCA_BH.BHObj.1\CLSID
  • Key: DyFuCA_BH.BHObj\CLSID
  • Key: DyFuCA_BH.BHObj\CurVer
  • Key: CLSID\{00000010-6F7D-442C-93E3-4A4827C2E4C8}\ProgID
  • Key: CLSID\{00000010-6F7D-442C-93E3-4A4827C2E4C8}\VersionIndependentProgID
  • Key: TypeLib\{40B1D454-9CA4-43CC-86AA-CB175EAC52FB}\1.0
  • Key: TypeLib\{40B1D454-9CA4-43CC-86AA-CB175EAC52FB}\1.0\FLAGS
  • Key: TypeLib\{40B1D454-9CA4-43CC-86AA-CB175EAC52FB}\1.0\0\win32
  • Key: TypeLib\{40B1D454-9CA4-43CC-86AA-CB175EAC52FB}\1.0\HELPDIR
  • Key: Interface\{1C01D150-91A4-4DE0-9BF8-A35D1BDF1001}\ProxyStubClsid
  • Key: Interface\{1C01D150-91A4-4DE0-9BF8-A35D1BDF1001}\ProxyStubClsid32
  • Key: Interface\{1C01D150-91A4-4DE0-9BF8-A35D1BDF1001}\TypeLib
    Value: Version
  • Key: Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{00000001-C003-4A2F-9142-7CB1D78DE6C1}
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DyFuCA
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DyFuCA Active Alerts
  • Key: Software\Microsoft\Internet Explorer\URLSearchHooks
    Value: _{CFBFAE00-17A6-11D0-99CB-00C04FD64497}
  • Key: Software\Microsoft\Internet Explorer\URLSearchHooks
    Value: _{02EE5B04-F144-47BB-83FB-A60BD91B74A9}
  • Key: Software\Microsoft\Windows\CurrentVersion\Uninstall\Kapabout
    Value: DComment
  • Warning: if value is listed for some registry entries, you should only clear these values and leave keys with such values untouched. We recommend you to use Here are the descriptions of problems connected with Dyfuca and Trojan-Downloader.Win32.Dyfuca.bt.exe we received earlier:

    Problem Summary: troj.dyfuca.x

    am running trend micro pro its picked up this virus but logs tell me it couldnt be cleaned or removed i have also run super antispyware but it didnt detect this.also ran trojan remover 6.7.9 the log does not mention it what next?

    Our support team contacted dom with the solution of the problem described.

    Problem Summary: dyfuca

    i deleted everything invoved with dyfuca except these regisrty keys: HKCR/DyFuCA_BH.BHObj.
    HKCR/DyFuCA_BH.BHObj/CLSID
    \" \" \" \" \"/CurVer
    \" \" \" \" Obj.1/CLSID
    HKCR/DyFuCA_BH.BHObj.1

    i am not sure how to delete them and get rid of my problems. it is taking over my home page and making my computer slow.

    The problem of megan was resolved by our support team.

    Problem Summary: setup exe DyFuCA ???????

    My Spyhunter program wont remove this.whatever it is. It looks bad. Ive never had this problem. I cannot find it \"IN\" on my PC anywhere.

    We examined this request and answered Tom Barta by email.

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