Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
Other System Modifications
This Trojan adds the following registry keys:
Other Details
This Trojan adds the following lines or registry entries as part of its routine:
Step 1
Terminate the malware/grayware/spyware process:
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Notes=
For Windows 98 and ME users, Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps. To terminate the malware/grayware/spyware process:
- Scan your computer with your Trend Micro product and then take note of the names of the malware file(s) detected.
- Open Windows Task Manager.
• For Windows 98 and ME users, press
CTRL+ALT+DELETE
• For Windows NT, 2000, XP, and Server 2003 users, press
CTRL+SHIFT+ESC, then click the Processes tab. - In the list of running programs, locate a malware/grayware/spyware file detected earlier.
- Select the detected files, then press either the End Task or the End Process button, depending on the version of Windows you are using.
- Do the same for the remaining detected malware/grayware/spyware files in the list of running programs.
- To check if the malware/grayware/spyware process has been terminated, close Task Manager, and then open it again.
- Close Task Manager.
Step 2
Delete this registry value
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Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer"s registry.
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\GbpSv
- ImagePath=C:\PROGRA~1\GbPlugin\GbpSvx.exe
- HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\RUN\cwlconex
- {malware path and filename}=REG_SZ
To delete the registry value this malware/grayware/spyware created:
- Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
- In the left panel, double-click the following:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\GbpSv - In the right panel, locate and delete the entry:
ImagePath = C:\PROGRA~1\GbPlugin\GbpSvx.exe - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\RUN\cwlconex - In the right panel, locate and delete the entry:
{malware path and filename} = REG_SZ - Close Registry Editor.
Step 3
Scan your computer with your Trend Micro product to delete files detected as
TROJ_DELF.PSP
*Note: If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
