Troj/Tanto-H is a backdoor Trojan which allows a remote intruder to gain access and control over the computer.
Troj/Tanto-H is a backdoor Trojan which allows a remote intruder to gain access and control over the computer.
Troj/Tanto-H includes functionality to download, install and run new software.
When first run Troj/Tanto-H copies itself to <Windows>\wscntfy.exe.
The file wscntfy.exe is registered as a new system driver service named "Microsoft wscntfy Service", with a display name of "Microsoft wscntfy 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\Microsoft wscntfy Service
Troj/Tanto-H 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:
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