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Trojan.DownLoader8.38407

Added to the Dr.Web virus database: 2013-04-10

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Logon Host Audio Superfetch Smart Files' = '<LS_APPDATA>\hclfpdlfna\gqkounkifwm.exe'
Malicious functions:
Creates and executes the following:
  • <LS_APPDATA>\hclfpdlfna\oxcqgjdqvgvj.exe "<LS_APPDATA>\hclfpdlfna\gqkounkifwm.exe"
  • <LS_APPDATA>\hclfpdlfna\gqkounkifwm.exe
Modifies file system :
Creates the following files:
  • <LS_APPDATA>\hclfpdlfna\gqkounkifwm.lo
  • <LS_APPDATA>\hclfpdlfna\oxcqgjdqvgvj.exe
  • <LS_APPDATA>\hclfpdlfna\gqkounkifwm.exe
Sets the 'hidden' attribute to the following files:
  • <LS_APPDATA>\hclfpdlfna\oxcqgjdqvgvj.exe
  • <LS_APPDATA>\hclfpdlfna\gqkounkifwm.exe
Network activity:
Connects to:
  • 'ca####nbehind.net':80
  • 'la###butter.net':80
  • 'la###behind.net':80
  • 'la###broad.net':80
  • 'ca####nbroad.net':80
  • 're###dbroad.net':80
  • 'el####icbroad.net':80
  • 'el#####cunderstand.net':80
  • 'ca####nbutter.net':80
  • 're#####nderstand.net':80
  • 'ca#####understand.net':80
  • 'ni###broad.net':80
  • 'de###ebroad.net':80
  • 'de#####nderstand.net':80
  • 'do###butter.net':80
  • 'ni####nderstand.net':80
  • 'de####butter.net':80
  • 'la####nderstand.net':80
  • 'ni###butter.net':80
  • 'ni###behind.net':80
  • 'de####behind.net':80
  • 'be###rbroad.net':80
  • 'ga###rbroad.net':80
  • 'ga#####nderstand.net':80
  • 'tr###butter.net':80
  • 'be#####nderstand.net':80
  • 'ga####butter.net':80
  • 'fl####nderstand.net':80
  • 'be####butter.net':80
  • 'be####behind.net':80
  • 'ga####behind.net':80
  • 'st####butter.net':80
  • 'el####icbutter.net':80
  • 'st#####nderstand.net':80
  • 're####butter.net':80
  • 're####behind.net':80
  • 'el####icbehind.net':80
  • 'st####behind.net':80
  • 'tr###behind.net':80
  • 'tr###broad.net':80
  • 'tr####nderstand.net':80
  • 'st###tbroad.net':80
  • 'ag####tbutter.net':80
  • 'st####eperfect.net':80
  • 'hi####yperfect.net':80
  • 'hi####yheart.net':80
  • 'mo####gbattle.net':80
  • 'st####eheart.net':80
  • 'hi####ybattle.net':80
  • 'am###theart.net':80
  • 'st####ebattle.net':80
  • 'st####emayor.net':80
  • 'hi####ymayor.net':80
  • 'ra####battle.net':80
  • 'tw####battle.net':80
  • 'ra###rheart.net':80
  • 'mi####battle.net':80
  • 'mi###emayor.net':80
  • 'tw###emayor.net':80
  • 'ra###rmayor.net':80
  • 'mo####gmayor.net':80
  • 'mo####gperfect.net':80
  • 'mo####gheart.net':80
  • 'ra####perfect.net':80
  • 'cl###battle.net':80
  • 'ag#####understand.net':80
  • 'th###battle.net':80
  • 'th###mayor.net':80
  • 'cl###mayor.net':80
  • 'ag####tbehind.net':80
  • 'do###behind.net':80
  • 'do###broad.net':80
  • 'do####nderstand.net':80
  • 'ag####tbroad.net':80
  • 'cl####erfect.net':80
  • 'am###tmayor.net':80
  • 'we####rmayor.net':80
  • 'we####rperfect.net':80
  • 'we####rheart.net':80
  • 'am####perfect.net':80
  • 'cl###heart.net':80
  • 'th####erfect.net':80
  • 'th###heart.net':80
  • 'am####battle.net':80
  • 'we####rbattle.net':80
TCP:
HTTP GET requests:
  • ca####nbehind.net/forum/search.php?em##################################
  • la###butter.net/forum/search.php?em##################################
  • la###behind.net/forum/search.php?em##################################
  • la###broad.net/forum/search.php?em##################################
  • ca####nbroad.net/forum/search.php?em##################################
  • re###dbroad.net/forum/search.php?em##################################
  • el####icbroad.net/forum/search.php?em##################################
  • el#####cunderstand.net/forum/search.php?em##################################
  • ca####nbutter.net/forum/search.php?em##################################
  • re#####nderstand.net/forum/search.php?em##################################
  • ca#####understand.net/forum/search.php?em##################################
  • ni###broad.net/forum/search.php?em##################################
  • de###ebroad.net/forum/search.php?em##################################
  • de#####nderstand.net/forum/search.php?em##################################
  • do###butter.net/forum/search.php?em##################################
  • ni####nderstand.net/forum/search.php?em##################################
  • de####butter.net/forum/search.php?em##################################
  • la####nderstand.net/forum/search.php?em##################################
  • ni###butter.net/forum/search.php?em##################################
  • ni###behind.net/forum/search.php?em##################################
  • de####behind.net/forum/search.php?em##################################
  • be###rbroad.net/forum/search.php?em##################################
  • ga###rbroad.net/forum/search.php?em##################################
  • ga#####nderstand.net/forum/search.php?em##################################
  • tr###butter.net/forum/search.php?em##################################
  • be#####nderstand.net/forum/search.php?em##################################
  • ga####butter.net/forum/search.php?em##################################
  • fl####nderstand.net/forum/search.php?em##################################
  • be####butter.net/forum/search.php?em##################################
  • be####behind.net/forum/search.php?em##################################
  • ga####behind.net/forum/search.php?em##################################
  • st####butter.net/forum/search.php?em##################################
  • el####icbutter.net/forum/search.php?em##################################
  • st#####nderstand.net/forum/search.php?em##################################
  • re####butter.net/forum/search.php?em##################################
  • re####behind.net/forum/search.php?em##################################
  • el####icbehind.net/forum/search.php?em##################################
  • st####behind.net/forum/search.php?em##################################
  • tr###behind.net/forum/search.php?em##################################
  • tr###broad.net/forum/search.php?em##################################
  • tr####nderstand.net/forum/search.php?em##################################
  • st###tbroad.net/forum/search.php?em##################################
  • ag####tbutter.net/forum/search.php?em##################################
  • st####eperfect.net/forum/search.php?em##################################
  • hi####yperfect.net/forum/search.php?em##################################
  • hi####yheart.net/forum/search.php?em##################################
  • mo####gbattle.net/forum/search.php?em##################################
  • st####eheart.net/forum/search.php?em##################################
  • hi####ybattle.net/forum/search.php?em##################################
  • am###theart.net/forum/search.php?em##################################
  • st####ebattle.net/forum/search.php?em##################################
  • st####emayor.net/forum/search.php?em##################################
  • hi####ymayor.net/forum/search.php?em##################################
  • ra####battle.net/forum/search.php?em##################################
  • tw####battle.net/forum/search.php?em##################################
  • ra###rheart.net/forum/search.php?em##################################
  • mi####battle.net/forum/search.php?em##################################
  • mi###emayor.net/forum/search.php?em##################################
  • tw###emayor.net/forum/search.php?em##################################
  • ra###rmayor.net/forum/search.php?em##################################
  • mo####gmayor.net/forum/search.php?em##################################
  • mo####gperfect.net/forum/search.php?em##################################
  • mo####gheart.net/forum/search.php?em##################################
  • ra####perfect.net/forum/search.php?em##################################
  • cl###battle.net/forum/search.php?em##################################
  • ag#####understand.net/forum/search.php?em##################################
  • th###battle.net/forum/search.php?em##################################
  • th###mayor.net/forum/search.php?em##################################
  • cl###mayor.net/forum/search.php?em##################################
  • ag####tbehind.net/forum/search.php?em##################################
  • do###behind.net/forum/search.php?em##################################
  • do###broad.net/forum/search.php?em##################################
  • do####nderstand.net/forum/search.php?em##################################
  • ag####tbroad.net/forum/search.php?em##################################
  • cl####erfect.net/forum/search.php?em##################################
  • am###tmayor.net/forum/search.php?em##################################
  • we####rmayor.net/forum/search.php?em##################################
  • we####rperfect.net/forum/search.php?em##################################
  • we####rheart.net/forum/search.php?em##################################
  • am####perfect.net/forum/search.php?em##################################
  • cl###heart.net/forum/search.php?em##################################
  • th####erfect.net/forum/search.php?em##################################
  • th###heart.net/forum/search.php?em##################################
  • am####battle.net/forum/search.php?em##################################
  • we####rbattle.net/forum/search.php?em##################################
UDP:
  • DNS ASK ca####nbehind.net
  • DNS ASK la###butter.net
  • DNS ASK la###behind.net
  • DNS ASK la###broad.net
  • DNS ASK ca####nbroad.net
  • DNS ASK re###dbroad.net
  • DNS ASK el####icbroad.net
  • DNS ASK el#####cunderstand.net
  • DNS ASK ca####nbutter.net
  • DNS ASK re#####nderstand.net
  • DNS ASK ca#####understand.net
  • DNS ASK ni###broad.net
  • DNS ASK de###ebroad.net
  • DNS ASK de#####nderstand.net
  • DNS ASK do###butter.net
  • DNS ASK ni####nderstand.net
  • DNS ASK de####butter.net
  • DNS ASK la####nderstand.net
  • DNS ASK ni###butter.net
  • DNS ASK ni###behind.net
  • DNS ASK de####behind.net
  • DNS ASK be###rbroad.net
  • DNS ASK ga###rbroad.net
  • DNS ASK ga#####nderstand.net
  • DNS ASK tr###butter.net
  • DNS ASK be#####nderstand.net
  • DNS ASK ga####butter.net
  • DNS ASK fl####nderstand.net
  • DNS ASK be####butter.net
  • DNS ASK be####behind.net
  • DNS ASK ga####behind.net
  • DNS ASK st####butter.net
  • DNS ASK el####icbutter.net
  • DNS ASK st#####nderstand.net
  • DNS ASK re####butter.net
  • DNS ASK re####behind.net
  • DNS ASK el####icbehind.net
  • DNS ASK st####behind.net
  • DNS ASK tr###behind.net
  • DNS ASK tr###broad.net
  • DNS ASK tr####nderstand.net
  • DNS ASK st###tbroad.net
  • DNS ASK ag####tbutter.net
  • DNS ASK st####eperfect.net
  • DNS ASK hi####yperfect.net
  • DNS ASK hi####yheart.net
  • DNS ASK mo####gbattle.net
  • DNS ASK st####eheart.net
  • DNS ASK hi####ybattle.net
  • DNS ASK am###theart.net
  • DNS ASK st####ebattle.net
  • DNS ASK st####emayor.net
  • DNS ASK hi####ymayor.net
  • DNS ASK ra####battle.net
  • DNS ASK tw####battle.net
  • DNS ASK ra###rheart.net
  • DNS ASK mi####battle.net
  • DNS ASK mi###emayor.net
  • DNS ASK tw###emayor.net
  • DNS ASK ra###rmayor.net
  • DNS ASK mo####gmayor.net
  • DNS ASK mo####gperfect.net
  • DNS ASK mo####gheart.net
  • DNS ASK ra####perfect.net
  • DNS ASK cl###battle.net
  • DNS ASK ag#####understand.net
  • DNS ASK th###battle.net
  • DNS ASK th###mayor.net
  • DNS ASK cl###mayor.net
  • DNS ASK ag####tbehind.net
  • DNS ASK do###behind.net
  • DNS ASK do###broad.net
  • DNS ASK do####nderstand.net
  • DNS ASK ag####tbroad.net
  • DNS ASK cl####erfect.net
  • DNS ASK am###tmayor.net
  • DNS ASK we####rmayor.net
  • DNS ASK we####rperfect.net
  • DNS ASK we####rheart.net
  • DNS ASK am####perfect.net
  • DNS ASK cl###heart.net
  • DNS ASK th####erfect.net
  • DNS ASK th###heart.net
  • DNS ASK am####battle.net
  • DNS ASK we####rbattle.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''

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