Troj/Larx-A

Aliases	Trojan-PSW.Win32.Agent.eg
Category	Viruses and Spyware
Type	Trojan
What to do	If you've received an alert for a virus or spyware, then follow the instructions for removing the threat.
Prevalence	low high

Summary


Affected operating systems	Windows
Characteristics	Installs itself in the registry
Included in our products from	August 2006 (4.08)
Protection available since	25 May 2006 22:27:50 (GMT)
Last updated	26 June 2006 21:10:03 (GMT)
Detected by	All Sophos products

Troj/Larx-A is a Trojan for the Windows platform.

When first run Troj/Larx-A copies itself to C:\NEWTRO\IEXPLORE.COM and creates the file C:\NEWTRO\NEWTRO.DLL.

Troj/Larx-A sets one of the following registry entries to run IEXPLORE.COM on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
NEWTRO
C:\NEWTRO\IEXPLORE.COM

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Userinit
<Windows folder>\system32\userinit.exe,C:\NEWTRO\IEXPLORE.COM

(the default value for this registry entry is "<Windows folder>\System32\userinit.exe,").

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