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Aug 14, 2008

- Autostart Techniques

This malicious VBScript creates the following registry entry(ies) to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
AtiRad64 = "%Windows%\Ati64.dll.vbs"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
S3Update = "%Windows%\S3Update64.dll.vbs"

Other System Modifications

This malicious VBScript creates the following registry key(s)/entry(ies):

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Window Title = "AGBALUTO ROCKS!!!"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
Policies\Explorer
DisallowRun = "1"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
Policies\Explorer
NoFolderOptions = "1"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
Policies\Explorer\DisallowRun
0 = "msconfig.exe"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
Policies\Explorer\DisallowRun
1 = "regedit.exe"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
Policies\Explorer\DisallowRun
2 = "regedit.com"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
Policies\System
DisableRegistryTools = "1"


Terminating the Malware Program

This procedure terminates the running malware process.

1. Open Windows Task Manager.
• On Windows 98 and ME, press
CTRL+ALT+DELETE
• On Windows NT, 2000, XP, and Server 2003, press
CTRL+SHIFT+ESC, then click the Processes tab.
2. In the list of running programs*, locate the process:
WScript.exe
3. Select the malware process, then press either the End Task or the End Process button, depending on the version of Windows on your computer.
4. To check if the malware process has been terminated, close Task Manager, and then open it again.
5. Close Task Manager.

*NOTE: On computers running Windows 98 and ME, Windows Task Manager may not show certain processes. You can use a third party process viewer such as Process Explorer to terminate the malware process.

On computers running all Windows platforms, if the process you are looking for is not in the list displayed by Task Manager or Process Explorer, continue with the next solution procedure, noting additional instructions. If the malware process is in the list displayed by either Task Manager or Process Explorer, but you are unable to terminate it, restart your computer in safe mode.

Enabling The Registry Editor

This malware disables the Registry Editor. To restore the said system tool, perform the following instructions:

1. Open Notepad. Click Start>Run, type Notepad, then press Enter.
2. Copy and paste the following:
On Error Resume Next Set shl = CreateObject("WScript.Shell") Set fso = CreateObject("scripting.FileSystemObject") shl.RegDelete "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools" shl.RegDelete "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun" shl.RegDelete "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\0" shl.RegDelete "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1" shl.RegDelete "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2"
3. Save this file as C:\RESTORE.VBS.
4. Click Start>Run, type C:\RESTORE.VBS, then press Enter.
5. Click Yes at the prompt of the message box.

Removing Autostart Entries from the Registry

This solution deletes the registry entries added by this malware. Before performing the steps below, make sure you know how to back up the registry and how to restore it if a problem occurs. Refer to this Microsoft article for more information about modifying your computer's registry.

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
2. In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>
Windows>CurrentVersion>Run
3. In the right panel, locate and delete the entry:
* AtiRad64 = "%Windows%\Ati64.dll.vbs"
* S3Update = "%Windows%\S3Update64.dll.vbs"
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

Removing Other Malware Entries from the Registry

This solution deletes the registry entries added by this malware. Before performing the steps below, make sure you know how to back up the registry and how to restore it if a problem occurs. Refer to this Microsoft article for more information about modifying your computer's registry.

1. Still in the Registry Editor, in the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>Main
2. In the right panel, locate and delete the entry:
* Window Title = "AGBALUTO ROCKS!!!"
3. In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>
Policies>Explorer
4. In the right panel, locate and delete the entry:
* DisallowRun = "1"
* NoFolderOptions = "1"
5. Close Registry Editor.

Deleting the Malware File(s)

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
* %Windows%\Ati64.dll.vbs
3. In the Look In drop-down list, select the drive that contains Windows, then press Enter.
4. Once located, select the file then press SHIFT+DELETE.

Deleting Malware-created AUTORUN.INF/s

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
AUTORUN.INF
3. In the Look In drop-down list, select a drive, then press Enter.
4. Select the file, then open using Notepad.
5. Check if the following lines are present in the file:

[autorun]
shellexecute=wscript.exe S3Update64.dll.vbs
6. If the lines are present, delete the file.
7. Repeat steps 3 to 6 for AUTORUN.INF files in the remaining removable drives.
8. Close Search Results.

Important Windows ME/XP Cleaning Instructions

Users running Windows ME and XP must disable System Restore to allow full scanning of infected computers.

Users running other Windows versions can proceed with the succeeding solution set(s).

Running Trend Micro Antivirus

If you are currently running in safe mode, please restart your computer normally before performing the following solution.

Scan your computer with Trend Micro antivirus and delete files detected as VBS_SOLOW.AD . To do this, Trend Micro customers must download the latest virus pattern file and scan their computer. Other Internet users can use HouseCall, the Trend Micro online virus scanner.