AOL Trojan
Server name: AOL Trojan
Version: NA
Different versions: NA
Tested: Yes, on Windows 95 and Windows NT
Server size: 211K
Server files: uninstallms.exe
Server icon:

Infects: Windows 95/98/ME
Autoloads: Win.ini and registry
Default port: Unknown TCP
Can port be changed: No

Server Features

  • AOL functions

 
Comments 
We are not entirely sure about this trojan because we had it sent to us without a client (if there is one). Our trojan scanners have identified it as the VBS Xmas Tree trojan, however we have yet to see any VBS parts of it. 

How To Remove 
Quick fix: no quick fix programs
Manual removal: Removal note: The Xmas Tree trojan makes the win.ini read only and has a lot of spaces after the run= so it's harder to find.

  1. Right click on the win.ini and choose properties. If read only is checked then uncheck it. Open the win.ini(Usually c:\windows\win.ini) and remove the key: run=                                                             c:\windows\uninstallms.exe under [Windows], this can be done with any text editing program. 
  2. Remove the Windows key in the registry located at HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run  and the z key in the registry located at HKEY_USERS\.Default\Software\Microsoft\Windows\CurrentVersion\Explorer\RunMRU.  Which can be done with regedit or any other registry editing program. 
  3. Reboot the computer or close either msdos98.exe or uninstallms.exe.
  4. Delete the trojan file uninstallms.exe in the windows directory and msdos98.exe in the c:\. 

 
Related 
Article: General removal info
Section: Test your knowledge, take our Trojan Quiz
Service: Trojan removal
Service: Tell a friend about this trojan
Service: Print this page
 
 
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