fuul.exe
Tuesday, 21 September 2010 05:29
The file name fuul.exe along with other files has appeared in a virus analysis report. You can see it on this link
It creates a file named fuul.exe and folders Fyiqm, Izrae
The installer is of about 144 KB. It is identified as ZBot Trojan. It is suspected to have originated in Russia
It is a banking trojan that disables firewall, steals sensitive financial data (credit card numbers, online banking login details), makes screen snapshots, downloads additional components, and provides a hacker with the remote access to the infected computer.
It keeps itself hidden by making its files and folders as Hidden files/folders.
It creates a new memory page in the address space of cmd.exe and iexplore.exe. You should see if there is cmd.exe and iexplore.exe running in the task manager, and then terminate their processes. Avoid using cmd.exe and Internet Explorer till the computer is infected. Use another browser if you need to. It connects to other harmful sites
It can download harmful files from the internet.
A good firewall can provide some level of security. Some good freeware are ZoneAlarm Free Firewall, and Comodo Internet Security Free Edition (you can choose to install just the firewall from their security suite)
It creates the files fuul.exe on the infected computer that you need to search and delete. You should end running processes named fuul.exe from Task Manager. And also remove the file's entries from windows startup.
You can also use one of the Free online Virus scanning and removal services listed on this linkUsing System Restore
If you know the duration since your computer is infected, you can try to restore your computer at a prior date, that will be an easy way to undo the changes done by the virus
Using system restore in windows XP
Using system restore in windows Vista
Using system restore in windows7
Boot in safe mode
Sometimes you can not delete a file. You should boot in safe mode and then try to delete it.
How to boot in safe in windows XP
How to boot in safe mode in windows Vista
How to boot in safe mode in windows7
View Hidden FilesYou need to enable to view hidden files and folders before searching.
How to Enable to View Hidden Files and Folders in Windows XP
How to Enable to View Hidden Files and Folders in Windows Vista
How to Enable to View Hidden Files and Folders in Windows7
Remove Processes from Task Manager
Press Ctrl Alt Del keys to open the Task Manager.Select Processes tab. You will see a list. Look for the names fuul.exe in it. Select if found and press the End Process button. It will ask for your confirmation to end that process. Select Yes. You can end one process at a time. You can find out if a process in Task Manager is good or bad by using Windows Defender in XP and Vista. It shows the path of a process and its publisher. Harmful processes may be shown under Unknown Publisher in windows defender. Whereas in Windows7 you can find that out from the task manager itselfHow to use Windows Defender in windows XP
How to use Windows Defender in windows Vista
How to use Windows Defender in windows7
Or you can use Sysinternal's Process Explorer. How to use Sysinternal's Process ExplorerRemoving entry from windows startup
The system configuration can be started in xp and in vista by typing msconfig in the run box/ start menu search box.
In xp by clicking on Start > run . The windows startup is reversible. You can check / uncheck any entry from windows startup any number of times.
Open system configuration window.Click on the Startup tab. You will see a list all the programs that are scheduled to start with windows. Expand the middle column using your mouse pointer. That will show you the full path of the program. Locate and uncheck the boxes in front of these names "fuul.exe" (also look for any other suspicious names)Press Apply , Press Close/Ok , Select "restart" at the next prompt.
Deleting files
The computer will restart now. Delete the following files and folders. Boot in safe mode or boot in the dos prompt if needed. You can use windows search utility to search for fuul.exe
Files
C:\Documents and Settings\[UserName]\Application Data\Fyiqm\fuul.exe
C:\Documents and Settings\[UserName]\Application Data\Izrae\ihwai.leg
C:\Documents and Settings\[UserName]\Application Data\Izrae\ihwai.tmp
%Temp%\tmp3d65ca98.bat
[file and pathname of the sample #1]
Folders
C:\Documents and Settings\[UserName]\Application Data\Fyiqm
C:\Documents and Settings\[UserName]\Application Data\Izrae
Registry Keys
Some of the registry keys will be automatically removed if you run Registry menu of CCleaner. For others you can see the report mentioned at the beginning of this article .
Using CCleaner
You can easily remove the files in the temp folder by running CCleaner. You can set CCleaner to run automatically each time the computer starts. Do not forget to run CCleaner > Registry menu to remove the obsolete registry entries.
more about CCleaner on this link
Free tools to repair disabled folder options, registry, Task Manager etc
Whereas you can repair disabled Folder Options, disabled Registry Tools, disabled Task Manager, Disabled System Restore etc using these free tools
Tools for Windows Vista
Tools for Windows XP
Tools for Windows7
Use the System File Checker
To repair altered deleted or modified windows system files.
How to run System File Checker utility in windows XP
How to run System File Checker utility in windows Vista
How to run System File Checker utility in windows7
Reprinted with permission from Threatexpert.com
Statutory Warning: It is possible that some legitimate software (in the past/present/future) may be using the same file names as that of the virus files. You do not have to delete these files, if they belong to some legitimate program installed on your computer. Use 