high
Summary
Summary
Action- More Information
| Detected by | All Sophos products |
|---|---|
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing Trojans.
Please follow the instructions for removing Trojans.
Windows NT/2000/XP
In Windows NT/2000/XP you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.
Locate the HKEY_LOCAL_MACHINE entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
or
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
and delete any reference to any file you deleted.
Close the registry editor.
More Information
Troj/Wock32-A is a backdoor Trojan.
Troj/Wock32-A copies itself to the file C:\Windows\java\apps\Wsock32.exe and sets the following registry entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\explorer\
User Shell Folders\Common Startup = C:\Windows\java\apps
HKLM\Software\Microsoft\Active Setup\Installed Components\
9EC0745F-CAD3-628A-48E9-02B9AFEC8E74\StubPath = C:\Windows\java\apps\Wsock32.exe
and subkeys below
HKLM\Software\EES\
with binary values.
Troj/Wock32-A also enables the Autodial feature of a dial-up connection by setting the registry entry
HKLM\SYSTEM\CurrentControlSet\Hardware Profiles\Current\Software\
Microsoft\Windows\CurrentVersion\Internet Settings\EnableAutodial = TRUE
The backdoor announces its presence to a URL providing information about the host IP, the listening port and the password required to connect to the backdoor. By default the Trojan listens on port 1063.
The same information is also sent to an ICQ userid using a specific web interface.
In order to be started automatically when the system is booted Troj/Wock32-A may also set one of the registry entries
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
or
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
to point to the Trojan binary.
Troj/Wock32-A attempts to detect and disable various monitoring, anti-virus and firewall related programs.
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