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Trojan.DownLoad4.11614

Aggiunto al database dei virus Dr.Web: 2018-08-31

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'RarExsdb' = '<LS_APPDATA>\jwaroevi\rarexsdb.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,,<LS_APPDATA>\jwaroevi\rarexsdb.exe'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\rarexsdb.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Update
  • Windows Security Center
blocks the following features:
  • User Account Control (UAC)
  • Windows Security Center
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
Modifies file system:
Creates the following files:
  • %TEMP%\byjjjqlf.exe
  • %TEMP%\ifqydaby.exe
  • <LS_APPDATA>\jwaroevi\rarexsdb.exe
  • %ALLUSERSPROFILE%\Application Data\ybfcuwpc.log
  • <LS_APPDATA>\lawhwilb.log
Sets the 'hidden' attribute to the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\rarexsdb.exe
Network activity:
Connects to:
  • '74.##5.232.51':80
  • 'ne#####domaintrue.com':443
  • 'oy###ijfdh.com':443
  • 'ws#####nqubfhvgfw.com':443
  • 'qu###kxicu.com':443
  • 'eh###hjfeh.com':443
  • 'ag#####uhxxtkxthnl.com':443
  • 'wb####rcyjxq.com':443
  • 'rx####cbsikcb.com':443
  • 'vv#####ykajcbtfstqc.com':443
  • 'ga###uked.com':443
  • 'nn####wfvmwye.com':443
UDP:
  • DNS ASK google.com
  • DNS ASK pn####sumrylxx.com
  • DNS ASK cq###biqm.com
  • DNS ASK st####nqijyeefo.com
  • DNS ASK gf#####lkyjmknuynlk.com
  • DNS ASK ur###dhp.com
  • DNS ASK kj####glehqox.com
  • DNS ASK ww###iyn.com
  • DNS ASK ry###udhy.com
  • DNS ASK jc####katgvgr.com
  • DNS ASK bw####swaehue.com
  • DNS ASK bt####pitrtpudw.com
  • DNS ASK rp#####bcbwuverv.com
  • DNS ASK js####opqmgcvjx.com
  • DNS ASK ce###nafvd.com
  • DNS ASK yj###tdtw.com
  • DNS ASK fb###dlf.com
  • DNS ASK ou####foqxidu.com
  • DNS ASK ck###ekp.com
  • DNS ASK om###krndnf.com
  • DNS ASK pu####usupjba.com
  • DNS ASK in#####imyklufpf.com
  • DNS ASK jx###vswlkp.com
  • DNS ASK ig#####gkfapmgokpj.com
  • DNS ASK eu###kdy.com
  • DNS ASK fd#####cdnigvgixg.com
  • DNS ASK rp###wxudgx.com
  • DNS ASK gk####khvbsmt.com
  • DNS ASK ne#####domaintrue.com
  • DNS ASK oy###ijfdh.com
  • DNS ASK ws#####nqubfhvgfw.com
  • DNS ASK qu###kxicu.com
  • DNS ASK eh###hjfeh.com
  • DNS ASK ag#####uhxxtkxthnl.com
  • DNS ASK wb####rcyjxq.com
  • DNS ASK rx####cbsikcb.com
  • DNS ASK vv#####ykajcbtfstqc.com
  • DNS ASK ga###uked.com
  • DNS ASK nn####wfvmwye.com
  • DNS ASK cs###idt.com
  • DNS ASK hf####arhngjvpb.com
  • DNS ASK dd####dkwwdp.com
  • DNS ASK pk####nybnauf.com
  • DNS ASK yq####kabkbsqm.com
  • DNS ASK jj###embdgj.com
  • DNS ASK lf####ntktqah.com
  • DNS ASK em####xcqwdkg.com
  • DNS ASK fv###jxxvh.com
  • DNS ASK uo#####mbtrdpyjdghh.com
  • DNS ASK lu####pygtpxjlt.com
  • DNS ASK nx####lkmynwe.com
  • DNS ASK mu####igsufiq.com
  • DNS ASK bing.com
Miscellaneous:
Creates and executes the following:
  • '%TEMP%\byjjjqlf.exe'
Executes the following:
  • '<SYSTEM32>\svchost.exe'

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