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Trojan.DownLoader23.15889

Added to the Dr.Web virus database: 2016-11-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Task Tablet BitLocker Access Background' = 'C:\chmgofzvczot\kaovujds.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Performance Shell Ordering] 'ImagePath' = 'C:\chmgofzvczot\kaovujds.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Performance Shell Ordering] 'Start' = '00000002'
Malicious functions:
Executes the following:
  • 'C:\chmgofzvczot\lucj13gkc.exe' "c:\chmgofzvczot\kaovujds.exe"
  • 'C:\chmgofzvczot\kaovujds.exe'
  • 'C:\chmgofzvczot\ksdelgg2m35ijy4eruqrrv.exe'
Modifies file system:
Creates the following files:
  • C:\chmgofzvczot\kaovujds.exe
  • C:\chmgofzvczot\lucj13gkc.exe
  • C:\chmgofzvczot\ccxzwl
  • %WINDIR%\chmgofzvczot\bk6yqbduk
  • C:\chmgofzvczot\bk6yqbduk
  • C:\chmgofzvczot\ksdelgg2m35ijy4eruqrrv.exe
Sets the 'hidden' attribute to the following files:
  • C:\chmgofzvczot\lucj13gkc.exe
  • C:\chmgofzvczot\kaovujds.exe
Deletes the following files:
  • C:\chmgofzvczot\ksdelgg2m35ijy4eruqrrv.exe
  • %WINDIR%\chmgofzvczot\bk6yqbduk
Network activity:
Connects to:
  • 'pr##card.ru':80
  • 'ta#####pielenreiten.org':80
  • 'ch#####bellesullivan.ru':80
  • 'ka#######ayajivayapriroda.ru':80
  • 'so####ryducks.com':80
  • 'sc####ainbow.net':80
  • 'un###lgrain.org':80
  • 'bu####rmansion.com':80
  • 'gu##155.cn':80
  • 'ki#####eighmargaret.net':80
  • 'be#####ttemargaret.net':80
  • 'ch######ellearabella.net':80
  • 'ch######ellesullivan.net':80
  • 'ki#####eighcherokee.net':80
  • 'be#####ttecherokee.net':80
  • 'al#####riasullivan.net':80
  • 'al#####riaarabella.net':80
  • 'be#####ttecherokee.ru':80
  • 'sp##tnav.ru':80
  • 'pr####anabolikov.ru':80
  • 'ag#####anabolics.com':80
  • 'ye####gdongwu.cn':80
  • 'ch####isportsmen.ru':80
  • 'ga#####yundongyuan.cn':80
  • 'cl#####ortswomen.com':80
  • 'si###ypeas.net':80
  • 'to###tosales.ru':80
  • 'ga####liongrass.net':80
  • 'sc#####epuzzlechess.org':80
  • 'ca#####eeitinthecup.org':80
  • 'cl####portsmen.com':80
  • 'pi##asia.cn':80
  • 'do##bate.cn':80
  • 'ha####nhalflion.net':80
  • 'na##top.ru':80
  • 'gr###factory.cn':80
TCP:
HTTP GET requests:
  • http://pr##card.ru/index.php
  • http://ta#####pielenreiten.org/index.php
  • http://ch#####bellesullivan.ru/index.php
  • http://ka#######ayajivayapriroda.ru/index.php
  • http://so####ryducks.com/index.php
  • http://sc####ainbow.net/index.php
  • http://un###lgrain.org/index.php
  • http://bu####rmansion.com/index.php
  • http://gu##155.cn/index.php
  • http://ki#####eighmargaret.net/index.php
  • http://be#####ttemargaret.net/index.php
  • http://ch######ellearabella.net/index.php
  • http://ch######ellesullivan.net/index.php
  • http://ki#####eighcherokee.net/index.php
  • http://be#####ttecherokee.net/index.php
  • http://al#####riasullivan.net/index.php
  • http://al#####riaarabella.net/index.php
  • http://be#####ttecherokee.ru/index.php
  • http://sp##tnav.ru/index.php
  • http://pr####anabolikov.ru/index.php
  • http://ag#####anabolics.com/index.php
  • http://ye####gdongwu.cn/index.php
  • http://ch####isportsmen.ru/index.php
  • http://ga#####yundongyuan.cn/index.php
  • http://cl#####ortswomen.com/index.php
  • http://si###ypeas.net/index.php
  • http://to###tosales.ru/index.php
  • http://ga####liongrass.net/index.php
  • http://sc#####epuzzlechess.org/index.php
  • http://ca#####eeitinthecup.org/index.php
  • http://cl####portsmen.com/index.php
  • http://pi##asia.cn/index.php
  • http://do##bate.cn/index.php
  • http://ha####nhalflion.net/index.php
  • http://na##top.ru/index.php
  • http://gr###factory.cn/index.php
UDP:
  • DNS ASK te#####nceconstable.net
  • DNS ASK ch######herconstable.net
  • DNS ASK ch#####pherconstable.ru
  • DNS ASK ch######herharoldson.net
  • DNS ASK te#####ncedonaldson.net
  • DNS ASK ch######herdonaldson.net
  • DNS ASK te#####ncestrudwick.net
  • DNS ASK ma#####ttadonaldson.net
  • DNS ASK ma#####ttadonaldson.ru
  • DNS ASK ch######nnedonaldson.net
  • DNS ASK ch######herstrudwick.net
  • DNS ASK ma#####ttaharoldson.net
  • DNS ASK ch######nneharoldson.net
  • DNS ASK te#####nceharoldson.ru
  • DNS ASK al#####reaconstable.net
  • DNS ASK er#####udestrudwick.net
  • DNS ASK er#####udestrudwick.ru
  • DNS ASK er#####udedonaldson.net
  • DNS ASK al#####readonaldson.net
  • DNS ASK er#####udeconstable.net
  • DNS ASK al#####reastrudwick.net
  • DNS ASK mo#####eryconstable.net
  • DNS ASK mo#####erystrudwick.net
  • DNS ASK te#####nceharoldson.net
  • DNS ASK mo#####eryharoldson.net
  • DNS ASK mo#####erydonaldson.net
  • DNS ASK ch#####beldonaldson.ru
  • DNS ASK ma#####ttaconstable.net
  • DNS ASK ch#####beldonaldson.net
  • DNS ASK re#####nneconstable.net
  • DNS ASK ch#####belconstable.net
  • DNS ASK ch#####belharoldson.net
  • DNS ASK ch#####belharoldson.ru
  • DNS ASK re#####nnedonaldson.net
  • DNS ASK re#####nnestrudwick.net
  • DNS ASK ki######ighharoldson.net
  • DNS ASK be#####ttedonaldson.net
  • DNS ASK ki######ighdonaldson.net
  • DNS ASK re#####nnestrudwick.ru
  • DNS ASK ch#####belstrudwick.net
  • DNS ASK be#####tteharoldson.net
  • DNS ASK re#####nneharoldson.net
  • DNS ASK ch#####annestrudwick.ru
  • DNS ASK ja#####ineharoldson.net
  • DNS ASK ge#####nnaharoldson.net
  • DNS ASK ch######nneconstable.net
  • DNS ASK ma#####ttastrudwick.net
  • DNS ASK ch######nnestrudwick.net
  • DNS ASK ja#####inedonaldson.net
  • DNS ASK ge#####nnaconstable.net
  • DNS ASK ja#####inestrudwick.net
  • DNS ASK ge#####nnastrudwick.net
  • DNS ASK ge#####nnadonaldson.net
  • DNS ASK ja#####ineconstable.net
  • DNS ASK ja#####ineconstable.ru
  • DNS ASK ge#####nnahoneycutt.net
  • DNS ASK ge#####nnahoneycutt.ru
  • DNS ASK ja#####inesackville.net
  • DNS ASK ja#####inefairchild.net
  • DNS ASK ge#####nnafairchild.net
  • DNS ASK ja#####inehoneycutt.net
  • DNS ASK ge#####nnasackville.net
  • DNS ASK re#####nnefairchild.ru
  • DNS ASK ch#####belfairchild.net
  • DNS ASK re#####nnehoneycutt.net
  • DNS ASK ja#####inepettigrew.net
  • DNS ASK ge#####nnapettigrew.net
  • DNS ASK re#####nnefairchild.net
  • DNS ASK ch######nnepettigrew.net
  • DNS ASK ch######herpettigrew.net
  • DNS ASK ma#####ttafairchild.net
  • DNS ASK ch######nnefairchild.net
  • DNS ASK te#####ncesackville.ru
  • DNS ASK ch######hersackville.net
  • DNS ASK te#####ncepettigrew.net
  • DNS ASK ch#####annefairchild.ru
  • DNS ASK ch######nnesackville.net
  • DNS ASK ma#####ttapettigrew.net
  • DNS ASK ma#####ttapettigrew.ru
  • DNS ASK ma#####ttahoneycutt.net
  • DNS ASK ch######nnehoneycutt.net
  • DNS ASK ma#####ttasackville.net
  • DNS ASK ch#####belhoneycutt.net
  • DNS ASK al#####riahoneycutt.net
  • DNS ASK ch######ellehoneycutt.net
  • DNS ASK al#####riasackville.ru
  • DNS ASK ki#####eighpettigrew.ru
  • DNS ASK al#####riafairchild.net
  • DNS ASK ch######ellefairchild.net
  • DNS ASK al#####riasackville.net
  • DNS ASK er#####udeharoldson.net
  • DNS ASK al#####reaharoldson.ru
  • DNS ASK al#####reaharoldson.net
  • DNS ASK ch######ellesackville.net
  • DNS ASK al#####riapettigrew.net
  • DNS ASK ch######ellepettigrew.net
  • DNS ASK ki######ighpettigrew.net
  • DNS ASK re#####nnepettigrew.net
  • DNS ASK ch#####belpettigrew.net
  • DNS ASK be#####ttefairchild.net
  • DNS ASK re#####nnesackville.net
  • DNS ASK ch#####belsackville.net
  • DNS ASK ch#####belsackville.ru
  • DNS ASK ki######ighfairchild.net
  • DNS ASK be#####ttesackville.net
  • DNS ASK ki######ighsackville.net
  • DNS ASK be#####ttepettigrew.net
  • DNS ASK be#####ttehoneycutt.net
  • DNS ASK be#####ttehoneycutt.ru
  • DNS ASK ki######ighhoneycutt.net
  • DNS ASK ki#####eighdonaldson.ru
  • DNS ASK ki#####eighsullivan.net
  • DNS ASK ja#####inesullivan.net
  • DNS ASK ch######ellearabella.net
  • DNS ASK ge#####nnacherokee.net
  • DNS ASK ja#####inesullivan.ru
  • DNS ASK be#####ttearabella.net
  • DNS ASK ch######ellesullivan.net
  • DNS ASK al#####riaarabella.net
  • DNS ASK be#####ttecherokee.ru
  • DNS ASK be#####ttecherokee.net
  • DNS ASK ki#####eighmargaret.net
  • DNS ASK be#####ttemargaret.net
  • DNS ASK ki#####eighcherokee.net
  • DNS ASK ja#####inemargaret.net
  • DNS ASK ma#####ttamargaret.net
  • DNS ASK ge#####nnacherokee.ru
  • DNS ASK ch#####annemargaret.net
  • DNS ASK ge#####nnamargaret.net
  • DNS ASK re#####nnearabella.ru
  • DNS ASK ge#####nnasullivan.net
  • DNS ASK re#####nnearabella.net
  • DNS ASK ch#####belmargaret.ru
  • DNS ASK ge#####nnaarabella.net
  • DNS ASK ch#####belarabella.net
  • DNS ASK ja#####inearabella.net
  • DNS ASK ja#####inecherokee.net
  • DNS ASK ch#####belsullivan.net
  • DNS ASK al#####riasullivan.net
  • DNS ASK ha####nhalflion.net
  • DNS ASK ag#####anabolics.com
  • DNS ASK ye####gdongwu.cn
  • DNS ASK na##top.ru
  • DNS ASK gr###factory.cn
  • DNS ASK do##bate.cn
  • DNS ASK sp##tnav.ru
  • DNS ASK to###tosales.ru
  • DNS ASK ga#####yundongyuan.cn
  • DNS ASK cl#####ortswomen.com
  • DNS ASK pr####anabolikov.ru
  • DNS ASK ch####isportsmen.ru
  • DNS ASK si###ypeas.net
  • DNS ASK pi##asia.cn
  • DNS ASK ta#####pielenreiten.org
  • DNS ASK so####ryducks.com
  • DNS ASK bu####rmansion.com
  • DNS ASK ch#####bellesullivan.ru
  • DNS ASK ka#######ayajivayapriroda.ru
  • DNS ASK pr##card.ru
  • DNS ASK gu##155.cn
  • DNS ASK cl####portsmen.com
  • DNS ASK ga####liongrass.net
  • DNS ASK sc#####epuzzlechess.org
  • DNS ASK sc####ainbow.net
  • DNS ASK un###lgrain.org
  • DNS ASK ca#####eeitinthecup.org
  • DNS ASK er#####udearabella.ru
  • DNS ASK al#####reaarabella.net
  • DNS ASK er#####udecherokee.net
  • DNS ASK er#####udesullivan.net
  • DNS ASK al#####reasullivan.net
  • DNS ASK er#####udearabella.net
  • DNS ASK al#####reacherokee.net
  • DNS ASK mo#####erysullivan.net
  • DNS ASK mo#####eryarabella.net
  • DNS ASK mo#####erycherokee.net
  • DNS ASK er#####udemargaret.net
  • DNS ASK al#####reamargaret.net
  • DNS ASK al#####reamargaret.ru
  • DNS ASK ch######ellestrudwick.net
  • DNS ASK ki######ighstrudwick.net
  • DNS ASK al#####riaharoldson.net
  • DNS ASK al#####riaharoldson.ru
  • DNS ASK be#####tteconstable.net
  • DNS ASK ki######ighconstable.net
  • DNS ASK be#####ttestrudwick.net
  • DNS ASK ch######elleharoldson.net
  • DNS ASK ch######elleconstable.net
  • DNS ASK ch######elleconstable.ru
  • DNS ASK al#####riastrudwick.net
  • DNS ASK al#####riadonaldson.net
  • DNS ASK ch######elledonaldson.net
  • DNS ASK al#####riaconstable.net
  • DNS ASK mo#####erycherokee.ru
  • DNS ASK ch#####annecherokee.net
  • DNS ASK al#####riacherokee.net
  • DNS ASK re#####nnemargaret.net
  • DNS ASK ch#####annearabella.net
  • DNS ASK re#####nnesullivan.net
  • DNS ASK be#####ttesullivan.net
  • DNS ASK ma#####ttacherokee.net
  • DNS ASK ki#####eigharabella.net
  • DNS ASK ch#####annearabella.ru
  • DNS ASK ch#####belcherokee.net
  • DNS ASK ch######ellecherokee.net
  • DNS ASK re#####nnecherokee.net
  • DNS ASK ch#####belmargaret.net
  • DNS ASK ma#####ttaarabella.net
  • DNS ASK ch#####phersullivan.ru
  • DNS ASK te#####ncearabella.net
  • DNS ASK ch#####pherarabella.net
  • DNS ASK mo#####erymargaret.net
  • DNS ASK te#####ncesullivan.net
  • DNS ASK ch#####phersullivan.net
  • DNS ASK te#####ncecherokee.net
  • DNS ASK ch#####phermargaret.net
  • DNS ASK ma#####ttasullivan.net
  • DNS ASK ch#####annesullivan.net
  • DNS ASK ch#####phercherokee.net
  • DNS ASK te#####ncemargaret.net
  • DNS ASK te#####ncemargaret.ru

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