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XP Security 2012, BSOD can't boot in any mode


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#1 bootloops

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Posted 17 December 2011 - 10:29 AM

Hi guys. Trying to fix the parents windows XP media center computer which got hit with this beauty of a malware, XP Security 2012. I guess I have to take the blame for it because I was using the computer at the time, browsing some perfectly legit websites with firefox. I don't maintain the thing so I guess java or flash or something must have been out of date, was planning to check after cleaning the malware off, but that has proved easier said than done. I've cleaned a lot of this type of malware from PCs before, but this situation is new to me.

So the thing came up, I hopped on another computer and found this guide: http://www.bleepingcomputer.com/virus-removal/remove-xp-security-2012. I downloaded and ran the fixncr.reg, and used rkill (iexplore.exe) to shut down the process and that seemed to work. I proceeded to install malwarebytes (looking at the guide now, I apparently missed the step to run TDSSkiller, oops), it updated ok, and I started a full scan. While it was scanning I saw a ping.exe exception error. It was running for over 2 hours before I went to bed figuring I'd finish it up in the morning (at this point it had only found 1 bad file).

In the morning, the PC had gone into some kind of sleep mode which I couldn't get it to wake up from. So I powered it off and started back up. Now it gives a BSOD every time, normal and safe mode. It's STOP 0x0000007b (0xF78A2528, 0xC0000034, 0x00000000, 0x00000000). I tried running fixmbr and fixboot from recovery console, this didn't help. Not exactly sure what else to try, I've always been able to at least get into safe mode with these things before (unless me or someone else managed to fubar the thing first using the wrong cleanup tools).

I do have their windows XP media center disk and key, and I was able to back up their files using a shadowprotect bootcd I have, so if I've got to reload everything it's not the end of the world. It would be really awesome to find a way to fix it without having to do that though. Any suggestions?

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#2 bootloops

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Posted 17 December 2011 - 11:09 AM

Update, just tried windows defender offline, it found Rogue:win32/winwebsec and removed it. I had high hopes for a moment, but still getting the same BSOD error.

#3 bootloops

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Posted 17 December 2011 - 02:40 PM

Had an idea to check the MSE logs from a linux livecd, and that showed MSE detected Trojan:WinNT/Simda.gen!A in C:\windows\system32\drivers\acpi.sys. I replaced the file from dllcache and still getting the same BSOD. Anyone have an idea?

#4 HelpBot

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Posted 23 December 2011 - 10:30 AM

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#5 HelpBot

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Posted 28 December 2011 - 10:35 AM

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