Sophos

Troj/Ranck-FT

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from May 2008 (4.29)
Protection available since 31 March 2008 20:22:32 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Ranck-FT is a HTTP proxy server Trojan.

Troj/Ranck-FT runs continuously in the background listening on a randomly generated port and allows HTTP traffic to be relayed through the computer.

The Troj/Ranck-FT proxy server may be used to forward spam.

When Troj/Ranck-FT becomes active it sends a notification message to a remote location, specifying the IP address of the current computer and the randomly generated port number which will typically be within the range 10000 - 50000.

Troj/Ranck-FT includes functionality to provide a proxy server.

When first run Troj/Ranck-FT copies itself to <System>\venusu-xxx-com.exe and creates the file <System>\venusu-xxx-com.dll.

The following registry entry is created to run venusu-xxx-com.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
<variable>
<System>\venusu-xxx-com.exe

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