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Troj/Dloader-XF

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 27 October 2005 08:03:28 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Dloader-XF is a Trojan for the Windows platform.

When Troj/Dloader-XF is installed it creates and executes the file <System>\run.dll without notifying the user. The Trojan will also attempt to download files from a remote URL to the locations:

<System>\q4.pak
<System>\prc.exe

The file run.dll is also detected as Troj/Dloader-XF.

The following registry entry is created to run the exported code on startup using the name SecurePatch:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
SharedTaskScheduler
(2F212B1B-1313-1BBC-02A8-7CA23A23E13F)
SecurePatch

The following registry entry is set:

HKCU\Software\Classes\CLSID\(2F212B1B-1313-1BBC-02A8-7CA23A23E13F)\
InProcServer32
(default)
<System>\run.dll

Registry entries are created under:

HKCU\Software\Classes\CLSID\(2F212B1B-1313-1BBC-02A8-7CA23A23E13F)\
InProcServer32\

Troj/Dloader-XF will attempt to delete registry entries under:

HKLM/SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
SharedTaskScheduler
Windows Update

Software\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad
Windows Update

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