PDA

View Full Version : P2P Worm Alcan


Pieter_Arntz
May 14th, 2005, 05:51 AM
Showing in a HijackThis log as

O4 - HKLM\..\Run: [MsConfigs] C:\Program Files\MsConfigs\MsConfigs.exe
identified by KAV as
P2P-Worm.Win32.Alcan.a

Usually seen in the company of:
O4 - HKLM\..\Run: [p2pnetwork] p2pnetwork.exe
O4 - HKLM\..\RunServices: [p2pnetwork] p2pnetwork.exe
O4 - HKCU\..\Run: [p2pnetwork] p2pnetwork.exe
O4 - HKCU\..\RunServices: [p2pnetwork] p2pnetwork.exe
identified as:
Backdoor.Win32.Rbot.pd

Users can complain about regedit not working and being unable to kill tasks. This is caused by the extra files that are dropped in the System(32) directory

Check the code box below if the paths to the files fit for the version of the Windows OS.


{QUOTE->
*Click Here (http://www.geekstogo.com/modules.php?modid=5&action=download&id=4) to download Killbox by Option^Explicit.
*Extract the program to your desktop and double-click on its folder, then double-click on Killbox.exe to start the program.
*In the killbox program, select the Delete on Reboot option.
*Copy the file names below to the clipboard by highlighting them and pressing Control-C:

C:\Program Files\MsConfigs\MsConfigs.exe
C:\WINDOWS\system32\p2pnetwork.exe
C:\WINDOWS\system32\CMD.COM
C:\WINDOWS\system32\netstat.com
C:\WINDOWS\system32\ping.com
C:\WINDOWS\system32\regedit.com
C:\WINDOWS\system32\tasklist.com
C:\WINDOWS\system32\taskkill.com
C:\WINDOWS\system32\taskmgr.com
C:\WINDOWS\system32\tracert.com

*Return to Killbox, go to the File menu, and choose "Paste from Clipboard".
*Click the red-and-white "Delete File" button. Click "Yes" at the Delete on Reboot prompt. Click "No" at the Pending Operations prompt.

After the reboot run HijackThis again. Check the following items in HijackThis.
Close all windows except HijackThis and click Fix checked:

O4 - HKLM\..\Run: [MsConfigs] C:\Program Files\MsConfigs\MsConfigs.exe

O4 - HKLM\..\Run: [p2pnetwork] p2pnetwork.exe
O4 - HKLM\..\RunServices: [p2pnetwork] p2pnetwork.exe
O4 - HKCU\..\Run: [p2pnetwork] p2pnetwork.exe
O4 - HKCU\..\RunServices: [p2pnetwork] p2pnetwork.exe

Reboot once more and post the resulting HijackThis log. <-QUOTE}

Big thanks to Kevin McAleavey (BOClean)

Pieter_Arntz
September 25th, 2005, 11:45 AM
A removal script is available for this variant and a few newer ones.

These can be recognized in a HijackThis log by the following lines:

O4 - HKLM\..\Run: [winupdates] C:\Program Files\winupdates\winupdates.exe /auto
O4 - HKLM\..\Run: [winupdate] C:\Program Files\winupdate\winupdate.exe /auto

O4 - HKLM\..\Run: [MsUpdate] C:\Program Files\MsUpdate\MsUpdate.exe /auto
O4 - HKLM\..\Run: [ms-update] scvhost.exe
O4 - HKLM\..\RunServices: [ms-update] scvhost.exe

O4 - HKLM\..\Run: [winsupdater] C:\Program Files\winsupdater\winsupdater.exe /auto

Download and unzip BFUzip from http://computercops.biz/zx/Merijn/bfu.zip
Run the program and click the Web button as shown here:
http://www.wilderssecurity.com/supportfiles/p566848-BFUonlinescript.jpg

Use this URL to copy into the address bar of the Download script window:
http://metallica.geekstogo.com/p2pnetwork.bfu

Execute the script by clicking the Execute button.

If you have any questions about the use of BFU please read here:
http://metallica.geekstogo.com/BFUinstructions.html