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Win32:tratbho [trj]

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#1 Florieness


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Posted 15 January 2008 - 06:29 PM

Sorry if this has been posted before. I have read some other users' posts with the same or a similar problem but I don't quite understand them or the responses.

My boyfriend used my laptop to download some things last weekend and unfortunately he isn't very thorough with the sites he uses. Ever since, Avast! 4.7 Home Edition has been popping up every hour saying it has found the Trojan Horse Virus in C:\WINDOWS\system32 though when I ran a full scan it said no other viruses were found.

I took some advise from a friend and downloaded Spybot - Search and Destroy which found Virtumonde and something else which I'm afraid I've forgotten; both were deleted without a problem but still Trojan Horse Viruses kept being downloaded.

After this I disconnected from the internet and found that every hour a message would come up saying:

"No connection to the Internet is currently available. To view Internet content that has been saved on your computer, click Work Offline.
Click Try Again to attempt to connect."

As I hadn't clicked on any urls or links, or even had Internet Explorer open, I presume it was whatever bug I have trying to download another virus so for now it's been stalled.

Today I've tried doing a system restore but no matter what date I selected to backtrack to, it said that the systems restore could not be completed and nothing had been changed. It didn't offer any help as to why and all instructions were followed perfectly so as far as I'm aware it was no fault of my own.

After researching a bit more about Win32:tratbho it was recommended to download and run VundoFix which I have done today. This has located the problematic file (C:\WINDOWS\system32\iifdaxy.dll) but on clicking "Remove Vundo" it says it cannot be deleted and will try again after rebooting. It only seems the computer restarts itself though and again it says the file cannot be deleted. I've tried deleting it manually too but an error Access Denied message comes up.

Is there any way I can get rid of this file without wiping my computer? As a first year fashion student I have way too much work on this computer to back up/lose unless it is the last resort.
Also, I'm not fluent with computer talk or processes so whoever can help may need to explain in a "Win32:trathbo for Dummies" sort of fashion.

If you need anymore information about the problem please ask me and thank you in advance for any help you can offer!! =)

Florie xxxx

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#2 boopme


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Posted 15 January 2008 - 10:21 PM

Hello Florieness and welcome. Please try running VirtumundoBegone

Now Download Attribune's ATF Cleaner and then SUPERAntiSpyware , Free Home Version. Save both to desktop ..
DO NOT run yet.
Open SUPER from icon and install and Update it.
Under Scanner Options make sure the following are checked (leave all others unchecked):
Close browsers before scanning.
Scan for tracking cookies.
Terminate memory threats before quarantining
Click the "Close" button to leave the control center screen and exit the program.
DO NOT run yet.

Now reboot into Safe Mode:
How to enter safe mode(XP)
Using the F8 Method
Restart your computer.
When the machine first starts again it will generally list some equipment that is installed in your machine, amount of memory, hard drives installed etc. At this point you should gently tap the F8 key repeatedly until you are presented with a Windows XP Advanced Options menu.
Select the option for Safe Mode using the arrow keys.
Then press enter on your keyboard to boot into Safe Mode.

Double-click ATF-Cleaner.exe to run the program.
Under Main "Select Files to Delete" choose: Select All.
Click the Empty Selected button.
If you use Firefox or Opera browser click that browser at the top and choose: Select All
Click the Empty Selected button.
If you would like to keep your saved passwords, please click No at the prompt.

Click Exit on the Main menu to close the program.

NOW Scan with SUPER
Open from the desktop icon or the program Files list
On the left, make sure you check C:\Fixed Drive.
Perform a Complete scan. After scan,Verify they are all checked.
Click OK on the summary screen to quarantine all found items.
If asked if you want to reboot, click "Yes" and reboot normally.

To retrieve the removal information after reboot, launch SUPERAntispyware again.
Click Preferences, then click the Statistics/Logs tab.
Under Scanner Logs, double-click SUPERAntiSpyware Scan Log in window.
If there are several logs, click the current dated log and press View log.
A text file will open in your default text editor.
Please copy and paste the Scan Log results in your next reply.
Click Close to exit the program.

Please ask any needed questions,post the logs and let us know how the PC is running now.
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#3 Florieness

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Posted 26 January 2008 - 05:45 AM

Sorry Boopme, I'd completely forgotten I posted this and I never got an email about a reply to this topic until TheHamburger responded.
A friend suggested I use Ad-Aware SE personal and it took about 5 minutes to scan my whole system, locate the rogue file as well as some others related to the Win32:tratbho [trj] problem and deleted them without a problem. My laptop is back to normal and has been running fine since.

I would highly recommend this software, perfect for those who are confused when it comes to "log files" and "safe mode" hehe =)

Thanks again xxx

{Split Theahmger's post to ut's own topic~boopme}

Edited by boopme, 26 January 2008 - 11:10 AM.

#4 quietman7


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Posted 26 January 2008 - 10:51 AM

If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Start > Run and type: Cleanmgr
  • Click "Ok".
  • Click the "More Options" Tab.
  • Click "Clean Up" in the System Restore section to remove all previous restore points except the newly created one.

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