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windows xp error message

By saliliway ·
i have windows xp professional with service pack 3 installed
when ever i open any folders
the following error is flashed :
uqb0julr.bat - application error
the instruction at "0x1001218b" referenced memory at "0x0123a990". the memory could not be "read". click on OK to terminate the program

i am using mcafee antivirus which i weekly update, its scanning has not detected any thing.
then i loaded trojan killer, xoft spy se, RemoveAny, ad-aware 2008, AIO Security Manager from ur site and run them.
nothing was detected . please help.

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Sounds like a virus to me

by robo_dev In reply to windows xp error message

Does that batch file exist?

If so, what's inside it?

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Definate Trojan

by IC-IT In reply to windows xp error message

Show hidden files and search for its location. Once found right click the file and select edit. Review the script to determine any associated files/behavior.
You will likely find another file called Kavo.exe in the system32 folder.
Delete both files, Turn off system restore, Delete the Prefetch files, Temp Directories, user profile local settings temp files, cookies and temp internet files (note if you do not see any temp internet folders within it's folder, type this to the end of the path in the address bar - Content.ie5; example \Documents and Settings\Copy of Default User\Local Settings\Temporary Internet Files\Content.IE5
Download Spybot Search and Destroy, install it and update it. Reboot into Safe Mode, Run Spybot and then McAfee again.
Spybot link
http://www.download.com/Spybot-Search-Destroy/3000-8022_4-10122137.html
Info on the bat file;
http://spywaredlls.prevx.com/RRFBGI44687661/UQB0JULR.BAT.html

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Addendum

by IC-IT In reply to Definate Trojan

If that wasn't picked up early, it could have caused a lot of havoc. Some sites report that it can delete processess and system files, rename others, send out any banking information etc.
You may want to seriously consider backing up any needed data files, photos, etc and doing a format and re-install. Any passwords for online accounts etc should be considered compromised and the passwords should be changed.
McAfee should have identified the trojan. You may want to disable or uninstall McAfee after downloading AVG (or another AV) and the definition files. Reboot into Safe Mode and install it/run it. There is a chance that your computer will go into an error loop after the cleanup. Be ready with a backup of your files or have an XP CD handy for a repair.

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