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Cannot Run Anything On Windows XP

Hit by a Trojan virus today despite having AV software and Adaware. Accidently accepted the registry change it warned about! Seen solutions to other questions but are available to me. For example, cannot run exefix.reg, regedit.exe, regedit.com so cannot apply the fixes mentioned. Help.
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cehrnow
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cehrnow
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1 Solution
 
Pete LongTechnical ConsultantCommented:
download and run http://filext.com/WinXP_EXE_Fix.reg then reboot
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Pete LongTechnical ConsultantCommented:
>>cannot run exefix.reg, regedit.exe, regedit.com

locate regedit.exe, copy it, rename it regedit.com, then run it
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Pete LongTechnical ConsultantCommented:
Compromised .REG File

Note: A few people have reported that their system was compromised so that the .REG file would not execute as well. In this case you have to trick the system.

Open a Command Prompt window (Start | Programs | Accessories | Command Prompt). This should leave you in the C:\Documents and Settings\[username] directory. Issue the sequence of commands in bold:

Code:

           C:\Documents and Settings\[username]> CD \
          C:\> CD WINDOWS (or WINNT if that's your system directory)
          C:\Windows> COPY REGEDIT.EXE REGEDIT.COM
          C:\Windows> REGEDIT.COM

What this does is have you navigate to your Windows directory and then make a copy of the REGEDIT.EXE program as the file REGEDIT.COM and then run that .COM file copy. Windows will be fooled by this, see the .EXE headers and run the Regedit program where you can then make the necessary changes either manually (not recommended) or by using the File|Import menu item and then navigate to the .REG file you downloaded.

One Last Thing To Try

If, after all this, you still have problems with the .EXE association there is one last thing to try. First, open the File Types dialog from any Explorer window (Tools | Folder Options | File Types Tab). Scroll down to where .EXE would be in the alphabetical order and make certain .EXE is not there (if it is, then fix it there). Finally, select the New button, type in EXE for the extension and select the Advanced button. From the list pick "Application." It should look something like this.....
http://filext.com/info/showthread.php?t=12
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cehrnowAuthor Commented:
Have downloaded WinXP_EXE_Fix.reg using a different PC and copied onto the infected one. However, can't run the .reg file as again it cannot find any association. Also cannot get to a command prompt. Have managed to rename regedit.exe to regedit.com but this also does nothing when double-clicked.
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cehrnowAuthor Commented:
Managed to Install FIX-exec.inf which enabled me to run WinXP_EXE_Fix.reg (since the registry editor option appeared on right-click). However, still no different after a reboot. Then managed to run exefix.reg which has got things seemingly back to normal again.
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CodedKCommented:
What about System Restore?
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cehrnowAuthor Commented:
All now appear to run okay but still get a strange pop-up box with unreadable characters at Startup (prior to Login) and when Loggin Off (this one has Authority/System in the caption).
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cehrnowAuthor Commented:
Have run RegSeeker to clean registry but still getting strange dialog box when starting system up and when logging off. Any ideas how to get rid of this ?
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cehrnowAuthor Commented:
Answer to this got things up and running but am still left with some remaining issues.
Have therefore opened a new question.
Thanks
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