Solution:
Identifying the Malware Program
To remove this malware, first identify the malware program.
- Scan your system with your Trend Micro antivirus product.
- NOTE all files detected as WORM_SDBOT.BVF.
Trend Micro customers need to download the latest pattern file before scanning their system. Other users can use Housecall, Trend Micro's online virus scanner.
Terminating the Malware Program
This procedure terminates the running malware process. You will need the name(s) of the file(s) detected earlier.
- Open Windows Task Manager.
On Windows 98 and ME, press
CTRL+ALT+DELETE
On Windows NT, 2000, and XP, press
CTRL+SHIFT+ESC, then click the Processes tab.
- In the list of running programs*, locate the malware file(s) detected earlier.
- Select one of the detected files, then press either the End Task or the End Process button, depending on the version of Windows on your system.
- Do the same for all detected malware files in the list of running processes.
- To check if the malware process has been terminated, close Task Manager, and then open it again.
- Close Task Manager.
*NOTE: On systems 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. Otherwise, continue with the next procedure, noting additional instructions. If you were
not able to terminate the malware process as described in the previous procedure, restart your system.
Editing the Registry
For detailed information about the registry and Registry Editor, refer to the following articles from Microsoft:
- About the Registry and How to Use Registry Editor
- HOW TO: Backup, Edit, and Restore the Registry in Windows 95, Windows 98, and Windows Me
- HOW TO: Backup, Edit, and Restore the Registry in Windows NT 4.0
-
HOW TO: Back Up, Edit, and Restore the Registry in Windows XP
- HOW TO: Backup, Edit, and Restore the Registry in Windows 2000
Removing Autostart Entries from the Registry
Removing autostart entries from the registry prevents the malware from executing at startup.
If the registry entries below are not found, the malware may not have executed as of detection. If so, proceed to the succeeding solution set.
- Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
- In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>Software>Microsoft>
Windows>CurrentVersion>Run
- In the right panel, locate and delete the entry:
Loader msgzl = "msgzl.exe"
- In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>Software>Microsoft>
Windows>CurrentVersion>RunServices
- In the right panel, locate and delete the entry:
Loader msgzl = "msgzl.exe"
- In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>
Windows>CurrentVersion>Run
- In the right panel, locate and delete the entry:
Loader msgzl = "msgzl.exe"
- Close Registry Editor.
Additional Windows ME/XP Cleaning Instructions
Users running Windows ME and XP must disable System Restore to allow full scanning of infected systems.
Users running other Windows versions can proceed with the succeeding procedure set(s).
Running Trend Micro Antivirus
Scan your system with Trend Micro antivirus and delete files detected as
WORM_SDBOT.BVF.
To do this, Trend Micro customers must download the latest pattern file and scan their system. Other Internet users can use HouseCall, Trend Micro's online virus scanner.
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