Virus:TR/Dldr.EbayBill.E
Date discovered:20/07/2006
Type:Trojan
Subtype:Downloader
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:20.277 Bytes
MD5 checksum:d5c55a2222290c3b9fa47f0423058df1
VDF version:6.35.00.193
IVDF version:6.35.00.234

 General Method of propagation:
   • No own spreading routine


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


Side effects:
   • Downloads a malicious file
   • Registry modification

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



The following file is created:

– %SYSDIR%\drivers\winut.dat This is a non malicious text file with the following content:
   • http://actsmiley.co.uk/img/**********
     http://spbfp.atlant.ru/sys/**********
     http://dreadwolf.net/**********
     http://dynafilmes.com.br/imagens/**********
     http://docslv.com/gallery/bridge/**********
     http://soloaguia.com/imagens/**********
     http://spbfp.atlant.ru/sys/sys/**********
     http://dynafilmes.com.br/imagens/3/**********
     http://soloaguia.com/imagens/3/**********
     http://leads4sales.co.uk/images/main/**********
     http://dbspider.net/approach-som/images/**********

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "IPF"="%SYSDIR%\ipf.exe"



It creates the following entry in order to bypass the Windows XP firewall:

– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%malware execution directory%\%executed file%"="%malware execution directory%\%executed file%:*:Enabled:%executed file%"
   • "%SYSDIR%\ipf.exe"="%SYSDIR%\ipf.exe:*:Enabled:ipf"
   • "%PROGRAM FILES%\Internet Explorer\IEXPLORE.EXE"="%PROGRAM FILES%\Internet Explorer\IEXPLORE.EXE:*:Enabled:Internet Explorer"

 Backdoor Contact server:
All of the following:
   • http://actsmiley.co.uk/img/**********
   • http://spbfp.atlant.ru/sys/**********
   • http://dreadwolf.net/**********
   • http://dynafilmes.com.br/imagens/**********
   • http://docslv.com/gallery/bridge/**********
   • http://soloaguia.com/imagens/**********
   • http://spbfp.atlant.ru/sys/sys/**********
   • http://dynafilmes.com.br/imagens/3/**********
   • http://soloaguia.com/imagens/3/**********
   • http://leads4sales.co.uk/images/main/**********
   • http://dbspider.net/approach-som/images/**********

Once connected it will retrieve an additional list of servers.
The servers answer is written to the file: %SYSDIR%\drivers\winut.dat


Remote control capabilities:
    • Download file

 Miscellaneous Mutex:
It creates the following Mutex:
   • GLOBALSUPERHANDLEPOSITIONZ

 File details Programming language:
 The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • FSG

Description inserted by Andrei Ivanes on Thursday, July 20, 2006
Description updated by Andrei Ivanes on Thursday, July 20, 2006

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