trojan on mem stick keeps reappearing

Please attach the Avira log so we can see what it is complaining about. Or give me the exact path to the file.

For the external Hard Drive and a USB stick.

Insert your flash drive before you begin. Hold down the Shift key when inserting the flash drive until Windows detects it to bypass the autorun feature. This will keep the autorun.inf from executing automatically.

Please have all your removable storage devices ready for disinfection.

Download Flash Disinfector by sUBs and save it to your desktop.

* Double-click Flash_Disinfector.exe to run it.
* Your desktop and icons may disappear. This is normal.
* It will do a cleanup of removable storage devices, and write a protected Autorun.inf file to help prevent re-infection.
* Follow any prompts that may appear.
* The utility may ask you to insert your flash drive and/or other removable drives including your mobile phone. Please do so and allow the utility to clean up those drives as well.
* Wait until it has finished scanning and then exit the program.
* There will be no GUI interface or log file produced.
* Reboot your computer when done.

Note: Flash_Disinfector will create a hidden folder named autorun.inf in each partition and every USB drive plugged in when you ran it. Don't delete this folder. It will help protect your drives from future infection.

 

Your best bet is probably to reformat your thumb drive. Are you plugging it into any other systems? That would probably be the only way it is reappearing once Avira removes it.

 

I suggest it only if Avira is not removing it. If it keeps reappearing, the best bet would be to format the drive.

I think you can safely do that. Just be sure Avira is up to date and all your other AV and AS software is also up to date.

Not necessary. I just need to know if it keeps reappearing. Did you run the Flash disinfector?

 

Your logs are clean. This is not a malware issue. I suggest you post in the software forum for help with those issues.


Since you are not having any malware problems, it is time to do our final steps:

1. We recommend you keep SUPERAntiSpyware and Malwarebytes Anti-Malware for scanning/removal of malware. Unless you purchase them, they provide no real time protection. They do not use any significant amount of resources ( except a little disk space ) until you run a scan.We recommend them for doing backup scans when you suspect a malware infection.
2. If we had you use ComboFix, uninstall ComboFix (This uninstall will only work as written if you installed ComboFix on your Desktop like we requested.)
   
   • Click START then RUN and enter the below into the run box and then click OK. Note the quotes are required
   • "%userprofile%\Desktop\combofix" /uninstall
     
     • Notes: The space between the combofix" and the /uninstall, it must be there.
     • This will uninstall ComboFix and also reset hidden files and folders settings back to Windows defaults.
     
     
   
   
3. Go back to step 6 of the READ ME and renable your Disk Emulation software with Defogger if you had disabled it.
4. Any other miscellaneous tools we may have had you install or download can be uninstalled and deleted.
5. If we had you download any registry patches like fixme.reg or fixWLK.reg (or any others), you can delete these files now.
6. If running Vista, it is time to make sure you have reenabled UAC by double clicking on the C:\MGtools\enableUAC.reg file and allowing it to be added to the registry.
7. Go to add/remove programs and uninstall HijackThis.
8. Goto the C:\MGtools folder and find the MGclean.bat file. Double click on this file to run this cleanup program that will remove files and folders related to MGtools and some other items from our cleaning procedures.
9. If you are running Win 7, Vista, Windows XP or Windows ME, do the below:
   
   • Refer to the cleaning procedures pointed to by step 7 of the READ ME
     for your Window version and see the instructions to Disable System Restore which will flush your Restore Points.
   • Then reboot and Enable System Restore to create a new clean Restore Point.
   
   
10. After doing the above, you should work thru the below link:
    
    • How to Protect yourself from malware!

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Malware removal from MajorGeeks = $0

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You are most welcome. Good luck and safe surfing.