Troj/Lydra-F

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

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Characteristics

  • Allows others to access the computer
  • Records keystrokes
  • Installs itself in the registry
  • Leaves non infected files on computer

Affected Operating Systems

Windows

Recovery Instructions:

Please follow the instructions for removing Trojans.

You will also need to edit the following registry entries, if present. 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\
internat=C:\windows\internat.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\
internat=C:\windows\internat.exe

and delete them if they exist.

Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:

HKCU\[code number]\Software\Microsoft\Windows\CurrentVersion\Run\
mdm=C:\windows\mdm.exe.

and delete it if it exists.

Close the registry editor.

Delete the file C:\windows\file.dll

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