Sophos

Troj/LdPinch-DH

Aliases
  • Trojan-Proxy.Win32.Agent.iq
  • PWS-LDPinch
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from February 2006 (4.02)
Protection available since 2 January 2006 01:52:58 (GMT)
Detected by All Sophos products

Action

More Information

Troj/LdPinch-DH is a password-stealing Trojan with backdoor functionality.

Troj/LdPinch-DH attempts to steal confidential information and send it to a remote location via HTTP or email.

Troj/LdPinch-DH provides a backdoor server on a pre-configured port (the default is 1758). A remote intruder will be able to connect to this port and receive command shell access.

Troj/LdPinch-DH can arrive as a result of web browsing. Certain web pages may exploit vulnerabilities associated with Microsoft Internet Explorer to silently download and install/run the Trojan without user interaction.

Troj/LdPinch-DH includes functionality to:

- steal confidential information
- access the internet and communicate with a remote server via HTTP

When first run Troj/LdPinch-DH copies itself to <System>\sox.exe and creates the following files:

<current folder>\x.bat
<System>\mswfp.dll

Mswfp.dll is also detected as Troj/LdPinch-DH. X.bat may be safely deleted.

The following registry entry is created to run sox.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
autoupdater
<System>\sox.exe

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