Sophos

Troj/Bifrose-AO

Aliases
  • Backdoor.Win32.Bifrose.aj
  • Backdoor.Bifrose
  • BKDR_BIFROSE.AV
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from December 2005 (4.00)
Protection available since 6 November 2005 03:42:26 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Bifrose-AO is a backdoor Trojan for the Windows platform.

When first run Troj/Bifrose-AO copies itself to <System>\xmchai.exe and creates the file <System>\plugin1.dat.

The following registry entries are created to run xmchai.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
startkey
<System>\XMCHAI.EXE

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
startkey
<System>\XMCHAI.EXE

HKLM\SOFTWARE\Microsoft\Active Setup\Installed
Components\(9B71D88C-C598-4935-C5D1-43AA4DB90836)
stubpath
<System>\XMCHAI.EXE s

Registry entries are created under:

HKCU\Software\Wget\

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