Troj/Lydra-B

Category: Viruses and Spyware
Type: Trojan
Prevalence: No Reports

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Troj/Lydra-B is a Trojan for the Windows platform.

Troj/Lydra-B has password stealing capabilities.

When Troj/Lydra-B is run, it copies itself to the following locations:

<Startup>\msoffice.scr
<Windows>\calc.exe
<Windows>\internat.exe
<Windows>\lsass32.exe
<Windows>\regedit.exe
<Windows>\userun32.exe

The following registry entries are created to run Troj/Lydra-B on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
internat
<Windows>\internat.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
userun32
<Windows>\userun32.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
lsass32
<Windows>\lsass32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
internat
<Windows>\internat.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
internat
<Windows>\internat.exe

The file internat.exe is registered as a new system driver service named "internat", with a display name of "TCPIP route manager" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\internat\