Title: Trojan.Zeroaccess
Type: Trojans
Also known as: Trojan.Zeroaccess.B, Trojan.Zeroaccess.C, Trojan.Zeroaccess!inf4, max++

Remove Trojan.Zeroaccess
Removal instructions

 
Severity scale:Trojan.Zeroaccess severity is 47  (47 / 100)
 
Trojan.ZeroAccess is a Trojan horse that hides itself in the system with the help of the advanced ZeroAccess rootkit. Mostly, this trojan is used to open the backdoors of the compromised PC, download malware programs and even create a hidden file system which allows it to store all its components. Besides, it is also capable to update itself through peer-to-peer networks what helps for its authors to improve Trojan.Zeroaccess and add more functionality. It's named as Zeroaccess because of the string found in its kernel driver code, which points to the ZeroAccess, the original project's, folder. However, you can also find it named as max++.

There are several ways how you can get infected with Trojan.ZeroAccess or one of its modified versions. It may come from the websites that host Trojan.Zeroaccess, with a help of browser redirections to the same compromised websites, Blackhole Exploit Toolkit or the Bleeding Life Toolkit that both have powerful set of exploits. Note that there are many versions of this trojan, like Trojan.Zeroaccess!kmem, Trojan.Zeroaccess.B, Trojan.zeroaccess!inf, Trojan.Zeroaccess!inf2, Trojan.Zeroaccess!inf3, Trojan.Zeroaccess.C, Trojan.Zeroaccess!inf4
or the latest Trojan.Zeroaccess!gen10 and Trojan.Zeroaccess!gen11..

As soon as it gets inside the target PC, Trojan.ZeroAccess downloads an application that starts monitoring victim's Web searches and redirects search results. This is done for making the money through pay-per-click advertising. Besides, Trojan.ZeroAccess is also capable to download other threats, like rogue applications or malware. These scams work on displaying for the user invented information about threats found and then push them to purchase licensed version. Opening a back door of the system and connecting it to a command and control (C&C) server is also a simple task for this trojan. This allows for the attacker to get the access to the compromised computer and perform various unwanted actions on the PC.

HOW CAN YOU REMOVE TROJAN.ZEROACCESS

There are several ways how you can remove trojan.ZeroAccess. Firstly you can try to download anti-malware and anti-virus programs. In this case, we recommend SpyHunter and STOPzilla. However, you can try running Hitman Pro or Kaspersky as well. If you are blocked by ZeroAccess, firstly you should use anti-rootkit tools and then anti-malware programs. Finally, you can try using thebootable CDs. However, note that that's the most difficult way to remove Trojan.ZeroAccess and you should contact the professional to help you with this method if you don't have enough knowledge about system's architecture.


Automatic Trojan.Zeroaccess removal:

It might be that we are affiliated with any of our recommended products. Full disclosure can be found in our Agreement of Use.
By downloading any of provided Anti-spyware software to remove Trojan.Zeroaccess you agree with our Privacy Policy and Agreement of Use.
SpyHunter is recommended remover to uninstall Trojan.Zeroaccess. You should confirm using free trial that it detects current version of parasite.

Note: Manual assistance required means that one or all of removers were unable to remove parasite without some manual intervention, please read manual removal instructions below.

If you failed to remove Trojan.Zeroaccess using SpyHunter, submit question to our support team and provide as much details as possible.
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STOPzilla
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manual required
We are testing STOPzilla's efficiency at removing Trojan.Zeroaccess (2012-08-08 08:13:51)
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Malwarebytes Anti Malware
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manual required
We are testing Malwarebytes Anti Malware's efficiency at removing Trojan.Zeroaccess (2012-08-08 08:13:51)
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XoftSpySE Anti Spyware
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manual required
We are testing XoftSpySE Anti Spyware's efficiency at removing Trojan.Zeroaccess (2012-08-08 08:13:51)
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Defender Pro Ultimate
download
manual required
We are testing Defender Pro Ultimate's efficiency at removing Trojan.Zeroaccess (2012-08-08 08:13:51)

what to do if you failed to remove the infection?
Virus Removal
Phone Support
Help Line to remove Trojan.Zeroaccess
Trojan.Zeroaccess snapshot:

Geolocation of Trojan.Zeroaccess:

This map reveals the prevalence of Trojan.Zeroaccess. Countries and regions that have been affected the most are: United States.

QR code for Trojan.Zeroaccess removal instructions:

Trojan.Zeroaccess qrcode
QR is short for Quick Response. They can be read quickly by the mobile phones. QR codes can store more data than standard barcodes, including url links, geo coordinates, and text.

The reason we add QR code to the website is that parasites like Trojan.Zeroaccess are really hard to remove on infected computer. you can quicly scan the QR code with your mobile device and have manual removal instructions to uninstall Trojan.Zeroaccess right in your pocket.

Simply use the QR scanner and read removal instructions from mobile device.

Removal guides in other languages

Information added: 2012-09-14 07:38:06
Information updated: 2012-09-14 07:38:06

Additional resources:

Attention: If you know know a reputable website reated to security threats, please add a link here: add url

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1
GaryB
My wifes PC had ZeroAccess. If her PC was on and connected to the network, all other PCs (family of five) on the network ground to a halt re. internet traffic. The first clue it was a virus and not a network component issue, was the fact that the MS Security Essentials (Win XP SP3) service had been halted inexplicably on my wifes PC, and the service would not restart. It was impossible to update Malwarebytes or to get MS Security Essentials running.

I booted from an Ultimate Boot CD for Windows (UCB4WIN) which I created years ago to remove a virus I had encountered a few years ago. I used Registry Restore to bring back the registry from a few days prior to the infection. (I have lost faith entirely in Windows System Restore, I dont even bother trying to use it anymore.) I then rebooted into Windows, and could update Malwarebytes. A full scan revealed "Trojan.0Access". Malwarebytes removed most of it, but suspicious folders remained in C:Recycler. RogueKiller was able to delete everything. I took the time to run CCleaner as well, cleaning over 5 GB of junk of the PC. Also updated MS Security Essentials.
0
0
Thomas
Used Spyhunter in the attempt of removing the Trojan.Zeroaccess. Spyhunter indicated the virus was isolated and deleted, however, upon running a second scan with McAfee, the virus remained/ Stored under C:WINDOWSassemblyGAC_32Desktop.ini. I still cant get rid of it. I try to access the file in Safe Mode in attempt to delete it....It prompts me that access is denied. I am lost. I need help.
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Jen
If this virus is so dangerous and I want to try this product but asking for my CC how can I process the purchase? I am afraid my information be collected!

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