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Troj/Bckdr-PS

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 4 January 2006 09:06:06 (GMT)
Last updated 22 November 2006 23:59:17 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Bckdr-PS is a backdoor Trojan for the Windows platform.

Troj/Bckdr-PS sets the following registry in an attempt to run itself on
startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
WINDOWS
ymssgr.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
WINDOWS
ymssgr.exe

Troj/Bckdr-PS also sets the following registry entries, disabling the automatic
startup of other software:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4

Note: disabling autostart for the SharedAccess service deactivates the Microsoft
Internet Connection Firewall (ICF).

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