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TrojanDownloader:Win32/VB.BZ
Aliases: Win32/Cadux.AN (CA) Trojan-Downloader.Win32.VB.afr (Kaspersky) TFactory (McAfee) W32/DLoader.AEFX (Norman) Troj/SpyDldr-K (Sophos) Trojan.FakeAlert (Sunbelt Software) Adware.Topantispyware (Symantec) TROJ_DLOADER.CFS (Trend Micro)
Summary
- Disconnect from the Internet.
- Restart the computer in safe mode.
- End the Trojan process.
- Delete the Trojan files from your computer.
- Delete the Trojan registry entries.
- Restart the computer.
- Take steps to prevent re-infection.
Disconnect from the Internet
Restart the computer in safe mode
- Remove all floppy disks and CDs from your computer, and then restart your computer.
- When prompted, press F8. If Windows starts without displaying the Please select the operating system to start menu, restart your computer. Press F8 after the firmware POST process completes, but before Windows displays graphical output.
- From the Windows Advanced Options Menu, select a safe mode option.
End the Trojan process
- Press CTRL+ALT+DEL once and click Task Manager.
- Click Processes and click Image Name to sort the running processes by name.
- Select the Trojan process 'smvmnvcc.exe' and click End Process.
Delete the Trojan files from your computer
- Click Start, and click Run.
- In the Open field, type the location of the Windows system folder, typically C:\Windows\System32
- Click OK.
- Click Name to sort files by name.
- Delete the following files from the <system folder>
users32.exe
adobepnl.dll
smvmnvcc.exe
main.exe - On the Desktop, right-click the Recycle Bin and click Empty Recycle Bin.
- Click Yes to confirm the deletion.
- Press CTRL+ALT+DEL once and click Task Manager.
- Click Processes and click Image Name to sort the running processes by name.
- Confirm that the file 'smvmnvcc.exe' is not in the list:
Delete the Trojan registry entries
- On the Start menu, click Run.
- Type regedit and click OK.
- In the left pane, navigate to the key:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run - In the right pane, right-click the following value, if it exists: Adware.Svr32
- Click Delete and click Yes to delete the value.
- In the left pane, navigate to the key: HKEY_LOCAL_MACHINE\Software\
- In the right pane, right-click each of the following values, if they exist: "Alexa Internet" and "Alexa Toolbar"
- Click Delete and click Yes to delete the values.
- In the left pane, navigate to the key: HKEY_LOCAL_MACHINE\Software\Classes\
- In the right pane, right-click each of the following values, if they exist, and click Delete and click Yes to delete the values:
AlxTB.BHO
Bridge.brdg
clsid\{60e2e76b-60e2e76b-60e2e76b-60e2e76b-60e2e76b}
clsid\{60e2e76b-60e2e76b-60e2e76b-60e2e76b-60e2e76b}
clsid\{9896231A-C487-43A5-8369-6EC9B0A96CC0}
clsid\{B53455DB-5527-4041-AC41-F86E6947AA47}
clsid\{E52DEDBB-D168-4BDB-B229-C48160800E81}
clsid\{F1FABE79-25FC-46de-8C5A-2C6DB9D64333}
clsid\{F1FABE79-25FC-46de-8C5A-2C6DB9D64333}
DailyToolbar.SysMgr
jao.jao
office_pnl.office_panel
PopMenu.Menu
Popup.HTMLEvent.
Popup.PopupKiller
Popup.PopupKiller
url_relpacer.URLResolver
WStart.WHttpHelper
WStart.WHttpHelper.1 - In the left pane, navigate to the key: HKEY_LOCAL_MACHINE\Software\
- In the right pane, right-click the following values, if they exists: "DailyToolbar" and "WSoft"
- Click Delete and click Yes to delete the value.
- In the left pane, navigate to the key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
- In the right pane, right-click each of the following values, if they exist, and click Delete and click Yes to delete the values:
{3ceff6cd-6f08-4e4d-bccd-ff7415288c3b}
{7b55bb05-0b4d-44fd-81a6-b136188f5deb}
{B53455DB-5527-4041-AC41-F86E6947AA47}
{e52dedbb-d168-4bdb-b229-c48160800e81} - In the left pane, navigate to the key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\
- In the right pane, right-click each of the following values, if they exist, and click Delete and click Yes to delete the values:
Alexa Toolbar
bridgeClick - Close the Registry Editor.
Restart the computer
- On the Start menu, click Shut Down.
- Select Restart from the drop-down list and click OK.