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Today I clicked on bad link accidentally that was reported good by WOT but then got redirected. I tried to click out of the link but I might have clicked on the link itself by accident. I shut down firefox and cleaned with CCleaner. Then I did a quick scan with Malwarebytes and it came up clean. Then I opened Emsisoft ASquared and updated it, and subsequently downloaded a huge update file. Upon restart of the application, it said it encountered an error and was shutting down. Then I tried to reopen it and got an error that said "the exception breakpoint. a breakpoint has been reached." etc etc

Later today I updated Malwarebytes again manually and when I reopened it, it also gave me an error like the one "breakpoint" one Asquared gave me. It did this a couple times and then I tried once more and it opened up for me. I then did a complete system scan with MBAM and it came up with a koobface detection, but the file path lead to a file called killer.exe in my last.fm folder, which upon doing some research, is responsible for terminating last.fm I believe.

I then redownloaded Asquared and in the process of doing a complete scan, it came up with detections which read "backdoor.Win.IRCNite.po!A2, but the detections are coming from the plugin directory in Firefox, the Divx folder, and Open Office folder.

I don't think the DDS scanner is working because it seems to hang on a blank black screen with a blinking cursor. How long am I supposed to wait for it to scan?

I've uploaded the GMER scan, and the Asquared scan because now I can't get MBAM to open without getting the "breakpoint" error.

Can you help me out?



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  • Staff

Hi and welcome to Malwarebytes.

I'm afraid I have bad news.

Your logs reveal a backdoor trojan. A backdoor severely compromises system integrity.

A compromised system may allow illicit network connections, disabling of security software, modifying critical system files and collection and transmiission of personal identifiable information without your consent.

I recommend that you disconnect this PC from the Internet immediately, and only reconnect to download any tools that are required. If you do any banking or other financial transactions on the PC or it if it contains 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. If it were on my PC I would not hesitate for a moment to do so. Please read these for more information:

How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?

When Should I Format, How Should I Reinstall

Should you decide not to follow that advice, we will of course do our best to clean the computer of any infections that we can see but, as I already stated, we can in no way guarantee it to be trustworthy.

Should you have any questions, please feel free to ask.

Let me know what you decide.

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  • 3 weeks later...
  • Staff

Glad we could help. :P

If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this thread with your request. This applies only to the originator of this thread.

Other members who need assistance please start your own topic in a new thread. Thanks!

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