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Trojan.DownLoader6.22287

Added to the Dr.Web virus database: 2012-06-23

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'svchost' = '<Full path to virus>'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\p7rk[1].gif
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\p7rk[1].gif
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\p7rk[1].gif
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ip[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\infec[1].php
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\p7rk[1].gif
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\p7rk[1].gif
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\p7rk[1].gif
Network activity:
Connects to:
  • 'localhost':1044
  • 'localhost':1041
  • 'localhost':1050
  • 'localhost':1047
  • 'www.up####2.xpg.com.br':80
  • 'us####os.lycos.es':80
  • 'localhost':1035
  • 'www.up####1.xpg.com.br':80
  • 'localhost':1038
TCP:
HTTP GET requests:
  • www.up####1.xpg.com.br/p7rk.gif
  • www.up####2.xpg.com.br/p7rk.gif
  • us####os.lycos.es/atividades2007/ip.php
  • us####os.lycos.es/atividades2007/infec.php?np#################################################################################################################
UDP:
  • DNS ASK www.up####2.xpg.com.br
  • DNS ASK www.up####1.xpg.com.br
  • DNS ASK us####os.lycos.es
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: 'Nao permita que outras pessoas conhecam os seus dados de acesso - Mozilla Firefox'
  • ClassName: '' WindowName: 'Nao enviamos e-mail sem a sua permissao - Mozilla Firefox'
  • ClassName: '' WindowName: 'Nao abra arquivos de origem desconhecida - Mozilla Firefox'
  • ClassName: '' WindowName: 'Verifique um pequeno cadeado fechado na parte inferior do navegador - Mozilla Firefox'
  • ClassName: '' WindowName: 'Memorize suas senhas sem anota-las - Mozilla Firefox'
  • ClassName: '' WindowName: 'Nao abra e-mail de origem desconhecida - Mozilla Firefox'
  • ClassName: '' WindowName: 'Sempre consulte esta pagina para novas informacoes sobre seguranca - Mozilla Firefox'
  • ClassName: '' WindowName: 'Nao faca alteracao cadastral por e-mail - Mozilla Firefox'
  • ClassName: '' WindowName: 'Nao use atalhos em e-mail para acessar o site. Digite o endereco direto no navegador - Mozilla Firefox'
  • ClassName: '' WindowName: 'Evite que outras pessoas vejam voce digitar sua senha - Mozilla Firefox'
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: '' WindowName: 'Evite abrir arquivos executaveis anexados as suas mensagens - Mozilla Firefox'
  • ClassName: '' WindowName: 'Cuidado com links e downloads contidos em mensagens promocionais - Mozilla Firefox'
  • ClassName: '' WindowName: 'Note se no inicio do campo ""endereco"" surgem as letras ""https"" - Mozilla Firefox'
  • ClassName: '' WindowName: 'Escolha ""senhas"" diferentes do seu nascimento, CPF e n? sequenciais - Mozilla Firefox'
  • ClassName: '' WindowName: 'Sempre consulte esta pagina para novas informacoes sobre seguranca - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Nao faca alteracao cadastral por e-mail - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Nao permita que outras pessoas conhecam os seus dados de acesso - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Nao enviamos e-mail sem a sua permissao - Microsoft Internet Explorer'
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: '' WindowName: ''
  • ClassName: '' WindowName: 'Memorize suas senhas sem anota-las - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Nao abra e-mail de origem desconhecida - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Note se no inicio do campo ""endereco"" surgem as letras ""https"" - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Escolha ""senhas"" diferentes do seu nascimento, CPF e n? sequenciais - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Nao use atalhos em e-mail para acessar o site. Digite o endereco direto no navegador - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Evite que outras pessoas vejam voce digitar sua senha - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Nao abra arquivos de origem desconhecida - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Verifique um pequeno cadeado fechado na parte inferior do navegador - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Evite abrir arquivos executaveis anexados as suas mensagens - Microsoft Internet Explorer'
  • ClassName: '' WindowName: 'Cuidado com links e downloads contidos em mensagens promocionais - Microsoft Internet Explorer'

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android