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Backdoor.Bot Virus

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#1 wizard51


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Posted 22 June 2009 - 10:04 AM

Hi Friends.............My first time at this so I hope I have the right forum. I am not a pro at my pc but have learned a bit so Please bare with me. A few days ago I was hit with the "System Security" virus. Bleeping pc, black background on desktop, large red letters saying I was infected. After many hours I managed to take care of lots of trojans and other invaders. I ran my AVG program, I also ran Malwarebytes and Super Anti-Spyware. The only thing I seem to have left is this Backdoor.Bot virus that is attaching itself every day to my Registry Key. I have tried finding a permanent solution but nothing has worked so far. I am running Win XP Home Edition and this is what I get after scan and quarantine for the virus: HKEY_LOCAL_MACHINE\Software\Microsoft\windowsNT\CurrentVersion\Winlogin.
Hope this is fairly clear and I did an ok job. Any assistance would be greatly appreciated.

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#2 boopme


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Posted 22 June 2009 - 12:47 PM

Hello and welcome.. I would first like to present you with this advice before proceeding.

One or more of the identified infections is a backdoor trojan.

This allows hackers to remotely control your computer, steal critical system information and download and execute files.

I would counsel you to disconnect this PC from the Internet immediately. If you do any banking or other financial transactions on the PC or if it should contain any other sensitive information, please get to a known clean computer and change all passwords where applicable, and it would be wise to contact those same financial institutions to apprise them of your situation.

Though the trojan has been identified and can be killed, because of it's backdoor functionality, your PC is very likely compromised and there is no way to be sure your computer can ever again be trusted. Many experts in the security community believe that once infected with this type of trojan, the best course of action would be a reformat and reinstall of the OS. Please read these for more information:

Read Danger: Remote Access Trojans..

How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?
When Should I Format, How Should I Reinstall

We can still clean this machine but I can't guarantee that it will be 100% secure afterwards. Let me know what you decide to do.
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#3 Williewin


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Posted 12 July 2009 - 09:54 AM

I found Backdoor.bot trojan on my computer with MalwareBytes. It knocked out my internet access on both Internet Explorer and Firefox...however, I was able to ping different sites via a command prompt. MalwareBytes would not clean it though. The trojan kept reappearing once I scanned it again (before and after reboot).

I finally killed the trojan with "Trojan Remover". Once it was cleaned, I could still not connect to the internet. After some more reseach I downloaded Winsock Fix and ran it to restack(?) the Winsock. Finally, I found that the proxy settings had been turned on by the virus/trojan (LAN Settings found under Tool>Internet Options in Internet Explorer).
I turned the proxy settings off and then everything worked again!

Hope that helps you.

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