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Trojan.DownLoader22.62296

Added to the Dr.Web virus database: 2016-10-13

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Copy Accounts Control Defender Credential' = '<SYSTEM32>\fyqqiou.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Endpoint Software Networking Filtering] 'ImagePath' = '<SYSTEM32>\fyqqiou.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Endpoint Software Networking Filtering] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • Windows Security Center
Executes the following:
  • '<SYSTEM32>\sutdevx.exe' "<SYSTEM32>\fyqqiou.exe"
  • '%WINDIR%\Temp\feqv0wib2vvlhueen.exe' -r 37895 tcp
  • '%TEMP%\feqv0wib2mtmhueent2djqhr.exe'
  • '<SYSTEM32>\fyqqiou.exe'
Modifies file system:
Creates the following files:
  • <SYSTEM32>\rroekdezpjukrym\run
  • <SYSTEM32>\rroekdezpjukrym\rng
  • %WINDIR%\Temp\feqv0wib2vvlhueen.exe
  • <SYSTEM32>\rroekdezpjukrym\cfg
  • <SYSTEM32>\sutdevx.exe
  • %TEMP%\feqv0wib2mtmhueent2djqhr.exe
  • <SYSTEM32>\rroekdezpjukrym\tst
  • <SYSTEM32>\fyqqiou.exe
  • <SYSTEM32>\rroekdezpjukrym\etc
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\sutdevx.exe
  • <SYSTEM32>\fyqqiou.exe
Deletes the following files:
  • %WINDIR%\Temp\feqv0wib2vvlhueen.exe
  • <DRIVERS>\etc\hosts
  • %TEMP%\feqv0wib2mtmhueent2djqhr.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
  • 'st###once.net':80
  • 'we###nce.net':80
  • 'we###oss.net':80
  • 'we###tudy.net':80
  • 'st###loss.net':80
  • 'fo###study.net':80
  • 'af###loss.net':80
  • 'af###study.net':80
  • 'af###uncle.net':80
  • 'fo###uncle.net':80
  • 'st###study.net':80
  • 'wa###tudy.net':80
  • 'mo###loss.net':80
  • 'mo###study.net':80
  • 'mo###uncle.net':80
  • 'wa###ncle.net':80
  • 'st###uncle.net':80
  • 'we###ncle.net':80
  • 'wa###nce.net':80
  • 'wa###oss.net':80
  • 'mo###once.net':80
  • 'na###tudy.net':80
  • 'dr###loss.net':80
  • 'dr###study.net':80
  • 'dr###uncle.net':80
  • 'na###ncle.net':80
  • 'fi###free.net':80
  • 'qu###free.net':80
  • 'na###nce.net':80
  • 'na###oss.net':80
  • 'dr###once.net':80
  • 'we####dayonce.net':80
  • 'se###ncle.net':80
  • 'we####dayuncle.net':80
  • 'fo###once.net':80
  • 'fo###loss.net':80
  • 'af###once.net':80
  • 'we####dayloss.net':80
  • 'se###nce.net':80
  • 'se###oss.net':80
  • 'se###tudy.net':80
  • 'we####daystudy.net':80
  • 'dr###army.net':80
  • 'na###rmy.net':80
  • 'na###pril.net':80
  • 'al###being.net':80
  • 'ri###nstorm.net':80
  • 'qu###uncle.net':80
  • 'fi###study.net':80
  • 'fi###uncle.net':80
  • 'dr###edge.net':80
  • 'na###dge.net':80
  • 'ca####nbring.net':80
  • 'cr#####onaraminta.net':80
  • 'le###form.net':80
  • 'jo####ymeasure.net':80
  • 'ef###tbuilt.net':80
  • 'th###while.net':80
  • 'mo###olor.net':80
  • 'pr####tbottom.net':80
  • 'ab###ell.net':80
  • 'mo###ugust.net':80
  • 'mi###hown.net':80
  • 'fa###ncle.net':80
  • 'le###study.net':80
  • 'le###uncle.net':80
  • 'bo###nce.net':80
  • 'ga###nce.net':80
  • 'le###once.net':80
  • 'fa###nce.net':80
  • 'fa###oss.net':80
  • 'fa###tudy.net':80
  • 'le###loss.net':80
  • 'ga###oss.net':80
  • 'fi###once.net':80
  • 'qu###once.net':80
  • 'qu###loss.net':80
  • 'qu###study.net':80
  • 'fi###loss.net':80
  • 'ga###tudy.net':80
  • 'bo###oss.net':80
  • 'bo###tudy.net':80
  • 'bo###ncle.net':80
  • 'ga###ncle.net':80
TCP:
HTTP GET requests:
  • http://st###once.net/index.php
  • http://we###nce.net/index.php
  • http://we###oss.net/index.php
  • http://we###tudy.net/index.php
  • http://st###loss.net/index.php
  • http://fo###study.net/index.php
  • http://af###loss.net/index.php
  • http://af###study.net/index.php
  • http://af###uncle.net/index.php
  • http://fo###uncle.net/index.php
  • http://st###study.net/index.php
  • http://wa###tudy.net/index.php
  • http://mo###loss.net/index.php
  • http://mo###study.net/index.php
  • http://mo###uncle.net/index.php
  • http://wa###ncle.net/index.php
  • http://st###uncle.net/index.php
  • http://we###ncle.net/index.php
  • http://wa###nce.net/index.php
  • http://wa###oss.net/index.php
  • http://mo###once.net/index.php
  • http://na###tudy.net/index.php
  • http://dr###loss.net/index.php
  • http://dr###study.net/index.php
  • http://dr###uncle.net/index.php
  • http://na###ncle.net/index.php
  • http://fi###free.net/index.php
  • http://qu###free.net/index.php
  • http://na###nce.net/index.php
  • http://na###oss.net/index.php
  • http://dr###once.net/index.php
  • http://we####dayonce.net/index.php
  • http://se###ncle.net/index.php
  • http://we####dayuncle.net/index.php
  • http://fo###once.net/index.php
  • http://fo###loss.net/index.php
  • http://af###once.net/index.php
  • http://we####dayloss.net/index.php
  • http://se###nce.net/index.php
  • http://se###oss.net/index.php
  • http://se###tudy.net/index.php
  • http://we####daystudy.net/index.php
  • http://dr###army.net/index.php
  • http://na###rmy.net/index.php
  • http://na###pril.net/index.php
  • http://al###being.net/index.php
  • http://ri###nstorm.net/index.php
  • http://qu###uncle.net/index.php
  • http://fi###study.net/index.php
  • http://fi###uncle.net/index.php
  • http://dr###edge.net/index.php
  • http://na###dge.net/index.php
  • http://ca####nbring.net/index.php
  • http://cr#####onaraminta.net/index.php
  • http://le###form.net/index.php
  • http://jo####ymeasure.net/index.php
  • http://ef###tbuilt.net/index.php
  • http://th###while.net/index.php
  • http://mo###olor.net/index.php
  • http://pr####tbottom.net/index.php
  • http://ab###ell.net/index.php
  • http://mo###ugust.net/index.php
  • http://mi###hown.net/index.php
  • http://fa###ncle.net/index.php
  • http://le###study.net/index.php
  • http://le###uncle.net/index.php
  • http://bo###nce.net/index.php
  • http://ga###nce.net/index.php
  • http://le###once.net/index.php
  • http://fa###nce.net/index.php
  • http://fa###oss.net/index.php
  • http://fa###tudy.net/index.php
  • http://le###loss.net/index.php
  • http://ga###oss.net/index.php
  • http://fi###once.net/index.php
  • http://qu###once.net/index.php
  • http://qu###loss.net/index.php
  • http://qu###study.net/index.php
  • http://fi###loss.net/index.php
  • http://ga###tudy.net/index.php
  • http://bo###oss.net/index.php
  • http://bo###tudy.net/index.php
  • http://bo###ncle.net/index.php
  • http://ga###ncle.net/index.php
UDP:
  • DNS ASK st###once.net
  • DNS ASK we###nce.net
  • DNS ASK we###oss.net
  • DNS ASK we###tudy.net
  • DNS ASK st###loss.net
  • DNS ASK fo###study.net
  • DNS ASK af###loss.net
  • DNS ASK af###study.net
  • DNS ASK af###uncle.net
  • DNS ASK fo###uncle.net
  • DNS ASK st###study.net
  • DNS ASK wa###tudy.net
  • DNS ASK mo###loss.net
  • DNS ASK mo###study.net
  • DNS ASK mo###uncle.net
  • DNS ASK wa###ncle.net
  • DNS ASK st###uncle.net
  • DNS ASK we###ncle.net
  • DNS ASK wa###nce.net
  • DNS ASK wa###oss.net
  • DNS ASK mo###once.net
  • DNS ASK fo###loss.net
  • DNS ASK dr###loss.net
  • DNS ASK na###oss.net
  • DNS ASK na###tudy.net
  • DNS ASK na###ncle.net
  • DNS ASK dr###study.net
  • DNS ASK qu###free.net
  • DNS ASK fi###forty.net
  • DNS ASK fi###free.net
  • DNS ASK dr###once.net
  • DNS ASK na###nce.net
  • DNS ASK dr###uncle.net
  • DNS ASK we####dayuncle.net
  • DNS ASK se###tudy.net
  • DNS ASK se###ncle.net
  • DNS ASK af###once.net
  • DNS ASK fo###once.net
  • DNS ASK se###nce.net
  • DNS ASK we####dayonce.net
  • DNS ASK we####dayloss.net
  • DNS ASK we####daystudy.net
  • DNS ASK se###oss.net
  • DNS ASK dr###army.net
  • DNS ASK na###rmy.net
  • DNS ASK na###pril.net
  • DNS ASK al###being.net
  • DNS ASK ri###nstorm.net
  • DNS ASK qu###uncle.net
  • DNS ASK fi###study.net
  • DNS ASK fi###uncle.net
  • DNS ASK dr###edge.net
  • DNS ASK na###dge.net
  • DNS ASK ca####nbring.net
  • DNS ASK cr#####onaraminta.net
  • DNS ASK le###form.net
  • DNS ASK jo####ymeasure.net
  • DNS ASK ef###tbuilt.net
  • DNS ASK th###while.net
  • DNS ASK mo###olor.net
  • DNS ASK pr####tbottom.net
  • DNS ASK ab###ell.net
  • DNS ASK mo###ugust.net
  • DNS ASK mi###hown.net
  • DNS ASK fa###ncle.net
  • DNS ASK le###study.net
  • DNS ASK le###uncle.net
  • DNS ASK bo###nce.net
  • DNS ASK ga###nce.net
  • DNS ASK le###once.net
  • DNS ASK fa###nce.net
  • DNS ASK fa###oss.net
  • DNS ASK fa###tudy.net
  • DNS ASK le###loss.net
  • DNS ASK ga###oss.net
  • DNS ASK fi###once.net
  • DNS ASK qu###once.net
  • DNS ASK qu###loss.net
  • DNS ASK qu###study.net
  • DNS ASK fi###loss.net
  • DNS ASK ga###tudy.net
  • DNS ASK bo###oss.net
  • DNS ASK bo###tudy.net
  • DNS ASK bo###ncle.net
  • DNS ASK ga###ncle.net
  • '23#.#55.255.250':1900

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

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  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.

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