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WinXP SP3 RemoteRegistry & Trojan


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#1 seant

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Posted 25 November 2009 - 10:38 PM

Hi there,

For a long while I suspected I had a trojan. Couldn't see anything obvious using Hijack this or anti rootkit apps. AVG reported that the sys restore volume has two instances of a generic trojan associated with a file called metus.exe. Everytime I removed it to the recycle bin and deleted it the thing would reappear in the sys restore volume so I turned off sys restore and it appeared to go away. However it's possible that that particular infection hasa nothing to do with what happened to me next.

I seemed to have alot of instances of svchost running so I investigated what they were. Everything was cool except that RemoteRegistry was running. To the best of my knowledge I've never installed any prog that relies on this service and I certainly didn't enable it myself so I set the thing to disabled.

A short while after the whole system went fubar. First of all it wouldnt let me install programs because it was reporting a problem with windows installer, the msg went something along the lines of either you are in safe mode or windows installer is broken. So I went to technet and they said the fix was to rename the file to .old reboot and then download the file and install.

When I rebooted, the taskbar is missing, my network connection has gone, the F3 search function isn't working, windows start keyboard key has no effect, I can copy but I can't paste. Seems that whatever nasty bit of code was on my system has revenged itself for my having disabled RemoteRegistry. I was wondering if anybody might have seen this behaviour before and if there's any easy fix for it?

Much obliged for any help or suggestions.

Seán

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#2 Orange Blossom

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Posted 25 November 2009 - 10:44 PM

As no logs have been posted, I am shifting this topic from the specialized HiJack This forum to the Am I Infected forum.

==>PLEASE DO NOT NOW POST LOGS<== unless a log is specifically requested.
Help us help you. If HelpBot replies, you MUST follow step 1 in its reply so we know you need help.

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#3 seant

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Posted 26 November 2009 - 12:33 PM

Please close this one. Somehow it's set system critical services to manual start and when you try to run them they won't. Looking around the web I've found people with the same problem but never any solutions. Looks like format and reinst is the only thing that will do the trick.

#4 boopme

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Posted 26 November 2009 - 09:29 PM

Not an unwise decision to make. In some instances an infection may have caused so much damage to your system that it cannot be completely cleaned or repaired. Wiping your drive, reformatting, and performing a clean install of the OS or doing a factory restore removes everything and is the safest action but I cannot make that decision for you.

Reformatting a hard disk deletes all data. If you decide to reformat, you can back up all your important documents, data files and photos. The safest practice is not to backup any autorun.ini or .exe files because they may be infected. Some types of malware may disguise itself by adding and hiding its extension to the existing extension of files so be sure you take a close look at the full name. After reformatting, as a precaution, make sure you scan these files with your anti-virus prior to copying them back to your hard drive.

The best proceedure is a low level format. This completely wipes the drive. Then reinstall the OS.
Use the free version of Active@ KillDisk.
Or Darik's Boot And Nuke

The best sources of Information on this are
Reformatting Windows XP
Michael Stevens Tech

Of course also feel free to ask anything on this in the XP forum. They'd be glad to help.

==============================

2 guidelines/rules when backing up

1) Backup all your important data files, pictures, music, work etc... and save it onto an external hard-drive. These files usually include .doc, .txt, .mp3, .jpg etc...
2) Do not backup any executables files or any window files. These include .exe/.scr/.htm/.html/.xml/.zip/.rar files as they may contain traces of malware. Also, .html or .htm files that are webpages should also be avoided.

Download Belarc Advisor - builds a detailed profile of your installed software and hardware, including Microsoft Hotfixes, and displays the results in your Web browser.
Run it and then print out the results, they may be handy.

Since we don't know exactly which infections we're dealing with here, we should take some precautions before we attempt to move files from the infected machine. Run the following on your clean computer, and make sure you insert your flash drives at the prompt.
Download and Run FlashDisinfector

Please download Flash_Disinfector.exe by sUBs and save it to your desktop.
  • Double-click Flash_Disinfector.exe to run it and follow any prompts that may appear.
  • The utility may ask you to insert your flash drive and/or other removable drives. Please do so and allow the utility to clean up those drives as well.
  • Hold down the Shift key when inserting the drive until Windows detects it to keep autorun.inf from executing if it is present.
  • Wait until it has finished scanning and then exit the program.
  • Reboot your computer when done.
Note: As part of its routine, Flash_Disinfector will create a hidden folder named autorun.inf in each partition and every USB drive that was plugged in when you ran it. Do not delete this folder...it will help protect your drives from future infection by keeping the autorun file from being installed on the root drive and running other malicious files.


Reinstall Windows Vista
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