high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
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| Protection available since | 2 December 2005 09:13:37 (GMT) |
| Detected by | All Sophos products |
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Action
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More Information
Troj/Lydra-C is a information stealing Trojan for the Windows platform.
Troj/Lydra-C has the following functionalies to:
- send confidential information to a remote server via email
- disable anti virus software
When Troj/Lydra-C is installed the following files are created:
<Startup>\msoffice.scr
<Windows>\calc.exe
<Windows>\internat.exe
<Windows>\lsass32.exe
<Windows>\mui\modem.sys
<Windows>\regedit2.exe
<Windows>\userun32.exe
The following registry entries are created to run internat.exe, lsass32.exe and userun32.exe 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\
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