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Trojan.Zlob.F

Updated: 12-Dec-05

Description:

Trojan.Zlob.F has the capacity to download and execute files from a remote server or computer. When infected it will redirect the Internet Explorer home page and search page.

Technical Name:

Trojan.Zlob.F

Threat Level:

Low

Type:

Trojan Horse

Systems Affected:

Windows All

Detection Date:

December 8, 2005

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Trojan.Zlob.F removal procedures requires technical know-how on  computer troubleshooting. It is better to consult your LAN Administrator or Technical Persons to avoid additional damage on your computer if modifications on Services and Registry have to be done.
 

MANUAL REMOVAL:

1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Update the virus definitions.
3. Reboot computer in SafeMode [how to]
4. Run a full system scan and delete all the files detected.
5. Delete any values added to the registry. [how to edit registry]

Navigate to the subkey and delete value:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Value: "nvctrl.exe" = "nvctrl.exe"

Navigate to and delete the following subkeys:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{724510C3-F3C8-4FB7-879A-D99F29008A2F}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
\{724510C3-F3C8-4FB7-879A-D99F29008A2F}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objecta
\{724510C3-F3C8-4FB7-879A-D99F29008A2F}

6. Exit the Registry Editor.

***If it makes changes to Windows registry that may prevent you from running executable files. A tool to reset registry values to the default value is available for download. Click Here.


7. Reset the Internet Explorer home page.

a) Start Microsoft Internet Explorer.
b) Connect to the Internet, and then go to the page that you want to set as your home page.
c) Click Tools > Internet Options.
d) In the Home page section of the General tab, click Use Current > OK.


8. Reset the Internet Explorer search page.

a) Start Microsoft Internet Explorer.
b) Click the Search button on the toolbar.
c) In the Search pane, click Customize.
d) Click Reset.
e) Click Autosearch Settings.
f) Select a search site from the drop-down list, and then click OK.
g) Click OK.

 

9. In order to make sure that trojan zlob.f is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.

Precise Security

  FREE ON-LINE VIRUS SCANNER:   

Click here to proceed

 

  SPYWARE REMOVAL TOOLS:

Download and run any of these Anti-Spyware