Virus:TR/Injector.Awi.88
Date discovered:05/03/2010
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:~88.000 Bytes
IVDF version:7.10.04.233 - Friday, March 5, 2010

 General Aliases:
   •  Panda: Trj/Startpage.DGK
   •  Eset: IRC/SdBot
   •  Bitdefender: GenPack:Backdoor.SDBot.DGEZ


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Downloads a file
   • Drops malicious files
   • Registry modification
   • Third party control

 Files It copies itself to the following locations:
   • %WINDIR%\infocard.exn
   • %WINDIR%\infocard.exe



It deletes the following file:
   • %WINDIR%\infocard.exn




It tries to download a file:

– The location is the following:
   • http://browseusers.myspace.com/Browse/**********

 Registry To each registry key one of the values is added in order to run the processes after reboot:

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Firewall Administrating"="%WINDIR%\infocard.exe"

–  [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\
   Install\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Firewall Administrating"="%WINDIR%\infocard.exe"

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Firewall Administrating"="%WINDIR%\infocard.exe"

– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%executed file%"="%WINDIR%\infocard.exe:*:Enabled:Firewall
      Administrating"



The following registry key is changed:

– [HKCU\Software\Microsoft\Internet Explorer\Main]
   New value:
   • "Start Page"="http://www.postarticles.net"

 IRC To deliver system information and to provide remote control it connects to the following IRC Servers:

Server: china.db**********.com
Port: 2345
Channel: #imb
Nickname: NEW-[USA|00|P|%number%]

Server: db**********.com
Port: 2345
Channel: #imb
Nickname: NEW-[USA|00|P|%number%]

Server: e2doo.net
Port: 2345
Channel: #imb
Nickname: NEW-[USA|00|P|%number%]

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

Description inserted by Petre Galan on Monday, March 22, 2010
Description updated by Petre Galan on Monday, March 22, 2010

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