Sophos

Troj/Stinx-S

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Included in our products from March 2006 (4.03)
Protection available since 31 January 2006 15:23:24 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Stinx-S is a backdoor Trojan for the Windows platform.

Troj/Stinx-S connects to a number of remote ip addresses on port 8080, providing a backdoor server which allows a remote intruder to gain access and control over the computer.

When first run Troj/Stinx-S copies itself to <System>\lsadst.exe and creates the following registry entries to run this file on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
WindowsProtocolLog
lsadst.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
WindowsProtocolLog
lsadst.exe

Troj/Stinx-S may drop and run files called <Temp>\<random numbers>.bat in order to bypass the Windows firewall using "netsh" or in order to delete itself.

Troj/Stinx-S attempts to terminate a number of processes related to anti-virus and security programs.

Troj/Stinx-S may download and execute files from a remote website.

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