TR/Buzus.hrp - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/Buzus.hrp
Date discovered:	01/06/2008
Type:	Trojan
In the wild:	No
Reported Infections:	Low to medium
Distribution Potential:	Low
Damage Potential:	Low to medium
Static file:	No
IVDF version:	7.00.04.121 - Sun, 01 Jun 2008 20:02 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Symantec: Infostealer.Banker.C
   • Kaspersky: Trojan.Win32.Buzus.hrp
   • F-Secure: Trojan.Win32.Buzus.hrp
   • Sophos: Troj/Clagger-BE
   • Panda: Trj/Sinowal.VMF
   • VirusBuster: Trojan.Agent.ESNI
   • Eset: Win32/TrojanDownloader.Nurech.NCK trojan
   • Bitdefender: Trojan.Spy.Notos.I

Platforms / OS:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Registry modification
   • Steals information
   • Third party control

Files It copies itself to the following location:
   • %SYSDIR%\ntos.exe

The following files are created:

– Temporary files that might be deleted afterwards:
   • %SYSDIR%\wnspoem\audio.dll
   • %SYSDIR%\wnspoem\video.dll

Registry The following registry key is changed:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   Old value:
   • "Userinit"="%SYSDIR%\userinit.exe,"
   New value:
   • "Userinit"="%SYSDIR%\userinit.exe,%SYSDIR%\ntos.exe,"

Backdoor Contact server:
The following:
• http://91.203.92.4/**********xxx.bin

As a result it may send information and remote control could be provided.

Injection – It injects itself into a process.

Process name:
• winlogon.exe

File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

See a brief description here.

Description inserted by Thomas Wegele on Wed, 11 Jun 2008 09:05 (GMT+1)
Description updated by Thomas Wegele on Wed, 11 Jun 2008 09:16 (GMT+1)

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