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AVG Free edition installation

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Reality Bytes!

Reality Bytes!

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Hello everyone.

I have a Trojan on my Win XP and cannot even log in to my account, because as soon as it gets to the user page at startup, the computer restarts due to the Trojan. Same thing occurs even if I startup as Last Known Good Configuration. I can get in in Safe Mode, though.

I was ready to install AVG 7.0 version (free download) from a CD, but when I launch setup it tells me that the file SHELL.DLL cannot be found. Then a Window, titled "can't run 16-bit Windows program", says "cannot find file C:/DOCUME 1/ADMINI 1/LOALS 1/Temp/WZS5.tmp/setup.exe

The SHELL file actually is in the System folder, though. what is missing here for the AVG to work?

The Trojan is named Trojan Horse Downloader BF Agent, as written in the window alert at startup.

Can I fix all this myself or will I have to get Windows all reinstalled?

Thanx so much.
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    - i pwn n00bs -

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Try running a free online virus scan here:

And a free trojan scan here:

Also, if the virus in in your system restore files, then disable and then reenable system restore

Disabling system restore:
1. Click Start.
2. Right-click the My Computer icon, and then click Properties.
3. Click the System Restore tab.
4. Check "Turn off System Restore" or "Turn off System Restore on all drives".
5. Click Apply.
6. When turning off System Restore, the existing restore points will be deleted. Click Yes to do this.
7. Click OK.
8. Proceed with what you need to do; for example, virus removal. When you have finished, restart the computer.
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Reality Bytes!

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Hello Ditto. Thank you for the help. I followed your instructions while in Safe mode, scanned with Housecall and also The Cleaner (at moosoft.com), which found about 61 Trojans and a worm. !!! whew! They are all deleted now and I was able to log on normally, without my computer restarting.

However, when I logged on, many windows appeared telling me about files which were not found. There are about 20-25of them (I lost count), and they belon either to C:/Windows, or C:/Windows/system32 or C:/Windows/system.

I checked and they actually are not there. What are these files and can I copy them from my laptop unto my PC?

Also, I have been using Spybot Search and Destroy. Is this one of the best free programs against Spyware?

One last thing: I mentioned in my last post that I can't install AVG free edition, because it says the SHELL.DLL file is not found. It is there though in the system folder! What is this problem?

Thanks again.
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Let's see a HJT log. Click the HijackThis Guide in my signature, download it and follow the instructions in the guide.

Most of what it lists will be harmless or even essential, DO NOT delete or modify anything yet! Someone will be along to tell you what steps to take after you post the contents of the scan results. <_<
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