high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | February 2008 (4.26) |
| Protection available since | 9 January 2008 07:35:21 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing Trojans.
More Information
Troj/Trinity-C is a Trojan for the Windows platform.
When first run Troj/Trinity-C copies itself to <Windows>\wmssvc.exe.
The file wmssvc.exe is registered as a new system driver service named "NET Service", with a display name of "NET Service" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\NET Service
The following registry entries are set, affecting internet security:
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile
EnableFirewall
0
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile
DoNotAllowExceptions
0
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile
DisableNotifications
1
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
EnableFirewall
0
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
DoNotAllowExceptions
0
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
DisableNotifications
1
Troj/Trinity-C sets the following registry entries, disabling the automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\Messenger
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\RemoteRegistry
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\TlntSvr
Start
4
Registry entries are set as follows:
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
MaxConnectionsPer1_0Server
fffe
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
MaxConnectionsPerServer
fffe
HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Windows File Protection
SFCDisable
ffffff9d
HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Windows File Protection
SFCScan
0
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile
EnableFirewall
0
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile
EnableFirewall
0
HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
DoNotAllowXPSP2
1
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\Security Center
HKCR\.key
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