windows 7 virus in windows\installer folder

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i have found 3 vireses in my windows\installer folder. I have ran malwarebytes several times and each time it says the same ones are back even after they have been cleared out. I even went and manualy deleted the files here is what the log says

Malwarebytes Anti-Malware


Database version: v2012.08.24.07

Windows 7 Service Pack 1 x64 NTFS

Internet Explorer 9.0.8112.16421

Linda :: LINDA-PC [administrator]

8/24/2012 6:34:25 PM

mbam-log-2012-08-24 (18-34-25).txt

Scan type: Quick scan

Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM

Scan options disabled: P2P

Objects scanned: 227528

Time elapsed: 1 minute(s), 29 second(s)

Memory Processes Detected: 0

(No malicious items detected)

Memory Modules Detected: 0

(No malicious items detected)

Registry Keys Detected: 0

(No malicious items detected)

Registry Values Detected: 0

(No malicious items detected)

Registry Data Items Detected: 0

(No malicious items detected)

Folders Detected: 0

(No malicious items detected)

Files Detected: 3

C:\Windows\Installer\{d39a077a-0fd1-8d59-16d6-4aea672bad8e}\U\00000008.@ (Trojan.Dropper.BCMiner) -> Quarantined and deleted successfully.

C:\Windows\Installer\{d39a077a-0fd1-8d59-16d6-4aea672bad8e}\U\000000cb.@ (Rootkit.0Access) -> Quarantined and deleted successfully.

C:\Windows\Installer\{d39a077a-0fd1-8d59-16d6-4aea672bad8e}\U\80000032.@ (Rootkit.0Access) -> Quarantined and deleted successfully.


can anyone help my get rid of this

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Hello and welcome to Malwarebytes

That is an indication of a really nasty rootkit called Zero Access. Please follow the directions below and someone will see if they can assist you.

Here are the steps needed to get your computer cleaned....if it's even possible with this infection

Please read the following so that you can begin the cleaning process:

Don't use any temporary file cleaners unless requested - this can cause data loss and make recovery difficult

You have 3 Options that you can choose from as listed below:

  • Option 1 —— Free Expert advice in the Malware Removal Forum
  • Option 2 —— Paying customer -- Contact Support via email
  • Option 3 —— Premium, Fee-Based Support


As we don't deal with malware removal in the
General Malwarebytes' Anti-Malware Forum
, you need to start a topic in the

Malware Removal forum
so a qualified helper can help you fix any malware related problems or infections you may have.

  • Please read and follow the directions here, skipping any steps you are unable to complete.
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Replying to your own posts changes the post count and helpers are looking for topics with zero replies.

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Alternatively, as a paying customer, you can contact the help desk


If you would like to use our
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Please be patient, someone will assist you as soon as possible.

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