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ZeroAccess Rootkit

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I have a computer that maybe infected with the ZeroAccess Rootkit. Malwarebytes was loaded on the computer but the database is 82 days old and when I try to update it wont connect to the server. Can I download the latest database to another computer and copy it to the infected computer? Should I just run a scan with the old database?

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  • Root Admin

Here is a canned message about the ZeroAccess rootkit.  I would recommend that you seek assistance if you do decide to try to clean the computer.


One or more of the identified infections is related to a nasty
rootkit component
which is difficult to remove. Rootkits and
backdoor Trojans
very dangerous
because they use advanced techniques (backdoors) as a means of accessing a computer system that bypasses security mechanisms and steal sensitive information which they send back to the hacker. Many rootkits can hook into the Windows 32-bit kernel, and patch several APIs to hide new registry keys and files they install. Remote attackers use
backdoor Trojans
and rootkits as part of an exploit to gain unauthorized access to a computer and take control of it without your knowledge.

If your computer was used for online banking, has credit card information or other sensitive data on it, you should immediately disconnect from the Internet until your system is cleaned.
All passwords should be changed immediately
to include those used for banking, email, eBay, paypal and online forums from a
.  You should consider them to be compromised. You should change each password by using a
different computer
and not the infected one. If not, an attacker may get the new passwords and transaction information. If using a router, you need to reset it with a strong logon/password so the malware cannot gain control before connecting again. Banking and credit card institutions should be notified of the
security breach. Because your computer was compromised please read
How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?

Although the rootkit has been identified and may be removed, your PC has likely been compromised and there is no way to be sure the computer can ever be trusted again.
It is dangerous and incorrect to assume that because this malware has been removed the computer is now secure.
In some instances an infection may have caused so much damage to your system that it cannot be completely cleaned or repaired. The malware may leave so many remnants behind that security tools cannot find them. Many experts in the security community believe that once infected with this type of malware, the best course of action is to wipe the drive clean, delete the partition, reformat and reinstall the Operating System.

Please read:

Should you decide not to follow this advice, we will do our best to help clean the computer of any infections but we cannot guarantee it to be trustworthy or that the removal will be successful. If you wish to proceed, disinfection will require more time and more advanced tools.

Please let us know how you would like to proceed.

Message borrowed from quietman7 with minor wording and link changes

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